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Finding the Fourth Proportional to 642,733.38, 963,797.91 and 237,645.71

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Solution

The fourth proportional to 642,733.38, 963,797.91 and 237,645.71 is: 356,356.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    642,733.38 : 963,797.91 = 237,645.71 : x
  2. Step 2: Convert to fraction form
    642,733.38/963,797.91 = 237,645.71/x
  3. Step 3: Cross multiply
    642,733.38x = 963,797.91 × 237,645.71
  4. Step 4: Simplify right side
    642,733.38x = 229,042,436,522.55
  5. Step 5: Solve for x
    x = 229,042,436,522.55/642,733.38
  6. Step 6: Final answer
    x = 356,356.84

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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.