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Finding the Fourth Proportional to 488,366.10, 732,549.15 and 479,618.10

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Solution

The fourth proportional to 488,366.10, 732,549.15 and 479,618.10 is: 719,427.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,366.10 : 732,549.15 = 479,618.10 : x
  2. Step 2: Convert to fraction form
    488,366.10/732,549.15 = 479,618.10/x
  3. Step 3: Cross multiply
    488,366.10x = 732,549.15 × 479,618.10
  4. Step 4: Simplify right side
    488,366.10x = 351,343,831,479.62
  5. Step 5: Solve for x
    x = 351,343,831,479.62/488,366.10
  6. Step 6: Final answer
    x = 719,427.15

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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.