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Finding the Fourth Proportional to 672,132, 927,545.04 and 370,319.52

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Solution

The fourth proportional to 672,132, 927,545.04 and 370,319.52 is: 511,042.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,132 : 927,545.04 = 370,319.52 : x
  2. Step 2: Convert to fraction form
    672,132/927,545.04 = 370,319.52/x
  3. Step 3: Cross multiply
    672,132x = 927,545.04 × 370,319.52
  4. Step 4: Simplify right side
    672,132x = 343,488,033,991.18
  5. Step 5: Solve for x
    x = 343,488,033,991.18/672,132
  6. Step 6: Final answer
    x = 511,042.52

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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.