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Finding the Fourth Proportional to 369,251.10, 553,876.65 and 366,918.30

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Solution

The fourth proportional to 369,251.10, 553,876.65 and 366,918.30 is: 550,377.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,251.10 : 553,876.65 = 366,918.30 : x
  2. Step 2: Convert to fraction form
    369,251.10/553,876.65 = 366,918.30/x
  3. Step 3: Cross multiply
    369,251.10x = 553,876.65 × 366,918.30
  4. Step 4: Simplify right side
    369,251.10x = 203,227,478,827.70
  5. Step 5: Solve for x
    x = 203,227,478,827.70/369,251.10
  6. Step 6: Final answer
    x = 550,377.45

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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.