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Finding the Fourth Proportional to 488,366.20, 732,549.30 and 409,634.20

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Solution

The fourth proportional to 488,366.20, 732,549.30 and 409,634.20 is: 614,451.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,366.20 : 732,549.30 = 409,634.20 : x
  2. Step 2: Convert to fraction form
    488,366.20/732,549.30 = 409,634.20/x
  3. Step 3: Cross multiply
    488,366.20x = 732,549.30 × 409,634.20
  4. Step 4: Simplify right side
    488,366.20x = 300,077,246,466.06
  5. Step 5: Solve for x
    x = 300,077,246,466.06/488,366.20
  6. Step 6: Final answer
    x = 614,451.30

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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.