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Finding the Fourth Proportional to 437,560.80, 656,292.60 and 358,537.20

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Solution

The fourth proportional to 437,560.80, 656,292.60 and 358,537.20 is: 537,765.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,560.80 : 656,292.60 = 358,537.20 : x
  2. Step 2: Convert to fraction form
    437,560.80/656,292.60 = 358,537.20/x
  3. Step 3: Cross multiply
    437,560.80x = 656,292.60 × 358,537.20
  4. Step 4: Simplify right side
    437,560.80x = 235,305,311,184.72
  5. Step 5: Solve for x
    x = 235,305,311,184.72/437,560.80
  6. Step 6: Final answer
    x = 537,765.98

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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.