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Finding the Fourth Proportional to 575,737.20, 863,346.60 and 260,031.60

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Solution

The fourth proportional to 575,737.20, 863,346.60 and 260,031.60 is: 389,930.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,737.20 : 863,346.60 = 260,031.60 : x
  2. Step 2: Convert to fraction form
    575,737.20/863,346.60 = 260,031.60/x
  3. Step 3: Cross multiply
    575,737.20x = 863,346.60 × 260,031.60
  4. Step 4: Simplify right side
    575,737.20x = 224,497,397,752.56
  5. Step 5: Solve for x
    x = 224,497,397,752.56/575,737.20
  6. Step 6: Final answer
    x = 389,930.33

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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.