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Finding the Fourth Proportional to 366,924.90, 550,387.35 and 307,875.90

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Solution

The fourth proportional to 366,924.90, 550,387.35 and 307,875.90 is: 461,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,924.90 : 550,387.35 = 307,875.90 : x
  2. Step 2: Convert to fraction form
    366,924.90/550,387.35 = 307,875.90/x
  3. Step 3: Cross multiply
    366,924.90x = 550,387.35 × 307,875.90
  4. Step 4: Simplify right side
    366,924.90x = 169,451,000,729.87
  5. Step 5: Solve for x
    x = 169,451,000,729.87/366,924.90
  6. Step 6: Final answer
    x = 461,813.85

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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.