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Finding the Fourth Proportional to 457,414.76, 631,222.94 and 253,463.90

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Solution

The fourth proportional to 457,414.76, 631,222.94 and 253,463.90 is: 349,774.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,414.76 : 631,222.94 = 253,463.90 : x
  2. Step 2: Convert to fraction form
    457,414.76/631,222.94 = 253,463.90/x
  3. Step 3: Cross multiply
    457,414.76x = 631,222.94 × 253,463.90
  4. Step 4: Simplify right side
    457,414.76x = 159,992,225,619.41
  5. Step 5: Solve for x
    x = 159,992,225,619.41/457,414.76
  6. Step 6: Final answer
    x = 349,774.95

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Double scale
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1.5x scale

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.