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Finding the Fourth Proportional to 527,999.60, 790,444.20 and 497,241.20

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Solution

The fourth proportional to 527,999.60, 790,444.20 and 497,241.20 is: 744,397.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,999.60 : 790,444.20 = 497,241.20 : x
  2. Step 2: Convert to fraction form
    527,999.60/790,444.20 = 497,241.20/x
  3. Step 3: Cross multiply
    527,999.60x = 790,444.20 × 497,241.20
  4. Step 4: Simplify right side
    527,999.60x = 393,041,422,541.04
  5. Step 5: Solve for x
    x = 393,041,422,541.04/527,999.60
  6. Step 6: Final answer
    x = 744,397.20

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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.