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Finding the Fourth Proportional to 649,332.10, 973,998.15 and 624,448.90

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Solution

The fourth proportional to 649,332.10, 973,998.15 and 624,448.90 is: 936,673.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,332.10 : 973,998.15 = 624,448.90 : x
  2. Step 2: Convert to fraction form
    649,332.10/973,998.15 = 624,448.90/x
  3. Step 3: Cross multiply
    649,332.10x = 973,998.15 × 624,448.90
  4. Step 4: Simplify right side
    649,332.10x = 608,212,073,369.54
  5. Step 5: Solve for x
    x = 608,212,073,369.54/649,332.10
  6. Step 6: Final answer
    x = 936,673.35

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Double scale
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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.