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Finding the Fourth Proportional to 445,491.61, 614,778.09 and 241,549.30

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Solution

The fourth proportional to 445,491.61, 614,778.09 and 241,549.30 is: 333,337.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,491.61 : 614,778.09 = 241,549.30 : x
  2. Step 2: Convert to fraction form
    445,491.61/614,778.09 = 241,549.30/x
  3. Step 3: Cross multiply
    445,491.61x = 614,778.09 × 241,549.30
  4. Step 4: Simplify right side
    445,491.61x = 148,499,217,294.84
  5. Step 5: Solve for x
    x = 148,499,217,294.84/445,491.61
  6. Step 6: Final answer
    x = 333,337.85

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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.