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Finding the Fourth Proportional to 361,588.59, 542,387.52 and 249,238.65

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Solution

The fourth proportional to 361,588.59, 542,387.52 and 249,238.65 is: 373,861.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,588.59 : 542,387.52 = 249,238.65 : x
  2. Step 2: Convert to fraction form
    361,588.59/542,387.52 = 249,238.65/x
  3. Step 3: Cross multiply
    361,588.59x = 542,387.52 × 249,238.65
  4. Step 4: Simplify right side
    361,588.59x = 135,183,933,261.65
  5. Step 5: Solve for x
    x = 135,183,933,261.65/361,588.59
  6. Step 6: Final answer
    x = 373,861.17

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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.