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Finding the Fourth Proportional to 534,600.90, 801,901.04 and 499,171.50

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Solution

The fourth proportional to 534,600.90, 801,901.04 and 499,171.50 is: 748,756.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,600.90 : 801,901.04 = 499,171.50 : x
  2. Step 2: Convert to fraction form
    534,600.90/801,901.04 = 499,171.50/x
  3. Step 3: Cross multiply
    534,600.90x = 801,901.04 × 499,171.50
  4. Step 4: Simplify right side
    534,600.90x = 400,286,142,492.50
  5. Step 5: Solve for x
    x = 400,286,142,492.50/534,600.90
  6. Step 6: Final answer
    x = 748,756.96

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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.