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Finding the Fourth Proportional to 366,909.30, 550,363.95 and 240,938.10

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Solution

The fourth proportional to 366,909.30, 550,363.95 and 240,938.10 is: 361,407.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,909.30 : 550,363.95 = 240,938.10 : x
  2. Step 2: Convert to fraction form
    366,909.30/550,363.95 = 240,938.10/x
  3. Step 3: Cross multiply
    366,909.30x = 550,363.95 × 240,938.10
  4. Step 4: Simplify right side
    366,909.30x = 132,603,644,421.50
  5. Step 5: Solve for x
    x = 132,603,644,421.50/366,909.30
  6. Step 6: Final answer
    x = 361,407.15

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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.