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Finding the Fourth Proportional to 369,402.78, 553,882.23 and 144,494.94

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Solution

The fourth proportional to 369,402.78, 553,882.23 and 144,494.94 is: 216,655.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,402.78 : 553,882.23 = 144,494.94 : x
  2. Step 2: Convert to fraction form
    369,402.78/553,882.23 = 144,494.94/x
  3. Step 3: Cross multiply
    369,402.78x = 553,882.23 × 144,494.94
  4. Step 4: Simplify right side
    369,402.78x = 80,033,179,590.92
  5. Step 5: Solve for x
    x = 80,033,179,590.92/369,402.78
  6. Step 6: Final answer
    x = 216,655.60

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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.