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Finding the Fourth Proportional to 381,335.93, 571,779.62 and 144,695.24

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Solution

The fourth proportional to 381,335.93, 571,779.62 and 144,695.24 is: 216,957.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,335.93 : 571,779.62 = 144,695.24 : x
  2. Step 2: Convert to fraction form
    381,335.93/571,779.62 = 144,695.24/x
  3. Step 3: Cross multiply
    381,335.93x = 571,779.62 × 144,695.24
  4. Step 4: Simplify right side
    381,335.93x = 82,733,789,261.33
  5. Step 5: Solve for x
    x = 82,733,789,261.33/381,335.93
  6. Step 6: Final answer
    x = 216,957.76

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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.