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Finding the Fourth Proportional to 482,811.60, 724,217.40 and 462,334.80

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Solution

The fourth proportional to 482,811.60, 724,217.40 and 462,334.80 is: 693,502.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,811.60 : 724,217.40 = 462,334.80 : x
  2. Step 2: Convert to fraction form
    482,811.60/724,217.40 = 462,334.80/x
  3. Step 3: Cross multiply
    482,811.60x = 724,217.40 × 462,334.80
  4. Step 4: Simplify right side
    482,811.60x = 334,830,906,785.52
  5. Step 5: Solve for x
    x = 334,830,906,785.52/482,811.60
  6. Step 6: Final answer
    x = 693,502.20

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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.