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Finding the Fourth Proportional to 672,264.36, 927,759.42 and 370,458.36

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Solution

The fourth proportional to 672,264.36, 927,759.42 and 370,458.36 is: 511,251.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,264.36 : 927,759.42 = 370,458.36 : x
  2. Step 2: Convert to fraction form
    672,264.36/927,759.42 = 370,458.36/x
  3. Step 3: Cross multiply
    672,264.36x = 927,759.42 × 370,458.36
  4. Step 4: Simplify right side
    672,264.36x = 343,696,233,207.75
  5. Step 5: Solve for x
    x = 343,696,233,207.75/672,264.36
  6. Step 6: Final answer
    x = 511,251.61

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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.