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Finding the Fourth Proportional to 358,600.90, 537,901.35 and 331,567.30

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Solution

The fourth proportional to 358,600.90, 537,901.35 and 331,567.30 is: 497,350.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,600.90 : 537,901.35 = 331,567.30 : x
  2. Step 2: Convert to fraction form
    358,600.90/537,901.35 = 331,567.30/x
  3. Step 3: Cross multiply
    358,600.90x = 537,901.35 × 331,567.30
  4. Step 4: Simplify right side
    358,600.90x = 178,350,498,285.86
  5. Step 5: Solve for x
    x = 178,350,498,285.86/358,600.90
  6. Step 6: Final answer
    x = 497,350.95

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1.5x scale

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.