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Finding the Fourth Proportional to 652,212.48, 900,034.44 and 397,470.72

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Solution

The fourth proportional to 652,212.48, 900,034.44 and 397,470.72 is: 548,498.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,212.48 : 900,034.44 = 397,470.72 : x
  2. Step 2: Convert to fraction form
    652,212.48/900,034.44 = 397,470.72/x
  3. Step 3: Cross multiply
    652,212.48x = 900,034.44 × 397,470.72
  4. Step 4: Simplify right side
    652,212.48x = 357,737,336,891.60
  5. Step 5: Solve for x
    x = 357,737,336,891.60/652,212.48
  6. Step 6: Final answer
    x = 548,498.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.