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Finding the Fourth Proportional to 539,274.60, 808,911.90 and 532,276.20

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Solution

The fourth proportional to 539,274.60, 808,911.90 and 532,276.20 is: 798,414.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,274.60 : 808,911.90 = 532,276.20 : x
  2. Step 2: Convert to fraction form
    539,274.60/808,911.90 = 532,276.20/x
  3. Step 3: Cross multiply
    539,274.60x = 808,911.90 × 532,276.20
  4. Step 4: Simplify right side
    539,274.60x = 430,564,552,266.78
  5. Step 5: Solve for x
    x = 430,564,552,266.78/539,274.60
  6. Step 6: Final answer
    x = 798,414.30

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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.