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Finding the Fourth Proportional to 475,658.56, 656,391.04 and 260,793.60

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Solution

The fourth proportional to 475,658.56, 656,391.04 and 260,793.60 is: 359,885.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,658.56 : 656,391.04 = 260,793.60 : x
  2. Step 2: Convert to fraction form
    475,658.56/656,391.04 = 260,793.60/x
  3. Step 3: Cross multiply
    475,658.56x = 656,391.04 × 260,793.60
  4. Step 4: Simplify right side
    475,658.56x = 171,182,582,329.34
  5. Step 5: Solve for x
    x = 171,182,582,329.34/475,658.56
  6. Step 6: Final answer
    x = 359,885.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.