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Finding the Fourth Proportional to 291,398.46, 437,167.64 and 111,480.91

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Solution

The fourth proportional to 291,398.46, 437,167.64 and 111,480.91 is: 167,248.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,398.46 : 437,167.64 = 111,480.91 : x
  2. Step 2: Convert to fraction form
    291,398.46/437,167.64 = 111,480.91/x
  3. Step 3: Cross multiply
    291,398.46x = 437,167.64 × 111,480.91
  4. Step 4: Simplify right side
    291,398.46x = 48,735,846,329.75
  5. Step 5: Solve for x
    x = 48,735,846,329.75/291,398.46
  6. Step 6: Final answer
    x = 167,248.13

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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.