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Finding the Fourth Proportional to 264,575.76, 396,884 and 75,032.88

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Solution

The fourth proportional to 264,575.76, 396,884 and 75,032.88 is: 112,555.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,575.76 : 396,884 = 75,032.88 : x
  2. Step 2: Convert to fraction form
    264,575.76/396,884 = 75,032.88/x
  3. Step 3: Cross multiply
    264,575.76x = 396,884 × 75,032.88
  4. Step 4: Simplify right side
    264,575.76x = 29,779,349,545.92
  5. Step 5: Solve for x
    x = 29,779,349,545.92/264,575.76
  6. Step 6: Final answer
    x = 112,555.09

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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.