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Finding the Fourth Proportional to 556,276.20, 834,414.30 and 534,503.40

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Solution

The fourth proportional to 556,276.20, 834,414.30 and 534,503.40 is: 801,755.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,276.20 : 834,414.30 = 534,503.40 : x
  2. Step 2: Convert to fraction form
    556,276.20/834,414.30 = 534,503.40/x
  3. Step 3: Cross multiply
    556,276.20x = 834,414.30 × 534,503.40
  4. Step 4: Simplify right side
    556,276.20x = 445,997,280,358.62
  5. Step 5: Solve for x
    x = 445,997,280,358.62/556,276.20
  6. Step 6: Final answer
    x = 801,755.10

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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.