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Finding the Fourth Proportional to 476,952.20, 715,428.30 and 453,624.20

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Solution

The fourth proportional to 476,952.20, 715,428.30 and 453,624.20 is: 680,436.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,952.20 : 715,428.30 = 453,624.20 : x
  2. Step 2: Convert to fraction form
    476,952.20/715,428.30 = 453,624.20/x
  3. Step 3: Cross multiply
    476,952.20x = 715,428.30 × 453,624.20
  4. Step 4: Simplify right side
    476,952.20x = 324,535,590,244.86
  5. Step 5: Solve for x
    x = 324,535,590,244.86/476,952.20
  6. Step 6: Final answer
    x = 680,436.30

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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.