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Finding the Fourth Proportional to 358,618.31, 537,523.77 and 156,384.60

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Solution

The fourth proportional to 358,618.31, 537,523.77 and 156,384.60 is: 234,400.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,618.31 : 537,523.77 = 156,384.60 : x
  2. Step 2: Convert to fraction form
    358,618.31/537,523.77 = 156,384.60/x
  3. Step 3: Cross multiply
    358,618.31x = 537,523.77 × 156,384.60
  4. Step 4: Simplify right side
    358,618.31x = 84,060,438,332.67
  5. Step 5: Solve for x
    x = 84,060,438,332.67/358,618.31
  6. Step 6: Final answer
    x = 234,400.86

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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.