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Finding the Fourth Proportional to 649,302.70, 973,954.05 and 531,204.70

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Solution

The fourth proportional to 649,302.70, 973,954.05 and 531,204.70 is: 796,807.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,302.70 : 973,954.05 = 531,204.70 : x
  2. Step 2: Convert to fraction form
    649,302.70/973,954.05 = 531,204.70/x
  3. Step 3: Cross multiply
    649,302.70x = 973,954.05 × 531,204.70
  4. Step 4: Simplify right side
    649,302.70x = 517,368,968,944.04
  5. Step 5: Solve for x
    x = 517,368,968,944.04/649,302.70
  6. Step 6: Final answer
    x = 796,807.05

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Half scale
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Double scale
Find fourth proportional to 649,303.70, 973,955.55 and 531,205.70
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.