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Finding the Fourth Proportional to 384,882.74, 577,347.85 and 148,225.65

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Solution

The fourth proportional to 384,882.74, 577,347.85 and 148,225.65 is: 222,347.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,882.74 : 577,347.85 = 148,225.65 : x
  2. Step 2: Convert to fraction form
    384,882.74/577,347.85 = 148,225.65/x
  3. Step 3: Cross multiply
    384,882.74x = 577,347.85 × 148,225.65
  4. Step 4: Simplify right side
    384,882.74x = 85,577,758,362.58
  5. Step 5: Solve for x
    x = 85,577,758,362.58/384,882.74
  6. Step 6: Final answer
    x = 222,347.61

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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.