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Finding the Fourth Proportional to 649,071.66, 973,607.49 and 175,756.94

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Solution

The fourth proportional to 649,071.66, 973,607.49 and 175,756.94 is: 263,635.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,071.66 : 973,607.49 = 175,756.94 : x
  2. Step 2: Convert to fraction form
    649,071.66/973,607.49 = 175,756.94/x
  3. Step 3: Cross multiply
    649,071.66x = 973,607.49 × 175,756.94
  4. Step 4: Simplify right side
    649,071.66x = 171,118,268,335.44
  5. Step 5: Solve for x
    x = 171,118,268,335.44/649,071.66
  6. Step 6: Final answer
    x = 263,635.40

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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.