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Finding the Fourth Proportional to 649,367.70, 974,051.55 and 529,793.48

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Solution

The fourth proportional to 649,367.70, 974,051.55 and 529,793.48 is: 794,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,367.70 : 974,051.55 = 529,793.48 : x
  2. Step 2: Convert to fraction form
    649,367.70/974,051.55 = 529,793.48/x
  3. Step 3: Cross multiply
    649,367.70x = 974,051.55 × 529,793.48
  4. Step 4: Simplify right side
    649,367.70x = 516,046,155,503.64
  5. Step 5: Solve for x
    x = 516,046,155,503.64/649,367.70
  6. Step 6: Final answer
    x = 794,690.21

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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.