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Finding the Fourth Proportional to 304,779.43, 457,170.66 and 124,963.07

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Solution

The fourth proportional to 304,779.43, 457,170.66 and 124,963.07 is: 187,445.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,779.43 : 457,170.66 = 124,963.07 : x
  2. Step 2: Convert to fraction form
    304,779.43/457,170.66 = 124,963.07/x
  3. Step 3: Cross multiply
    304,779.43x = 457,170.66 × 124,963.07
  4. Step 4: Simplify right side
    304,779.43x = 57,129,449,187.53
  5. Step 5: Solve for x
    x = 57,129,449,187.53/304,779.43
  6. Step 6: Final answer
    x = 187,445.23

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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.