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Finding the Fourth Proportional to 482,846.40, 724,269.60 and 473,515.20

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Solution

The fourth proportional to 482,846.40, 724,269.60 and 473,515.20 is: 710,272.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,846.40 : 724,269.60 = 473,515.20 : x
  2. Step 2: Convert to fraction form
    482,846.40/724,269.60 = 473,515.20/x
  3. Step 3: Cross multiply
    482,846.40x = 724,269.60 × 473,515.20
  4. Step 4: Simplify right side
    482,846.40x = 342,952,664,497.92
  5. Step 5: Solve for x
    x = 342,952,664,497.92/482,846.40
  6. Step 6: Final answer
    x = 710,272.80

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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.