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Finding the Fourth Proportional to 573,677.80, 860,516.70 and 415,162.60

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Solution

The fourth proportional to 573,677.80, 860,516.70 and 415,162.60 is: 622,743.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,677.80 : 860,516.70 = 415,162.60 : x
  2. Step 2: Convert to fraction form
    573,677.80/860,516.70 = 415,162.60/x
  3. Step 3: Cross multiply
    573,677.80x = 860,516.70 × 415,162.60
  4. Step 4: Simplify right side
    573,677.80x = 357,254,350,515.42
  5. Step 5: Solve for x
    x = 357,254,350,515.42/573,677.80
  6. Step 6: Final answer
    x = 622,743.90

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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.