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Finding the Fourth Proportional to 662,469.32, 914,207.76 and 360,663.32

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Solution

The fourth proportional to 662,469.32, 914,207.76 and 360,663.32 is: 497,715.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,469.32 : 914,207.76 = 360,663.32 : x
  2. Step 2: Convert to fraction form
    662,469.32/914,207.76 = 360,663.32/x
  3. Step 3: Cross multiply
    662,469.32x = 914,207.76 × 360,663.32
  4. Step 4: Simplify right side
    662,469.32x = 329,721,205,891.36
  5. Step 5: Solve for x
    x = 329,721,205,891.36/662,469.32
  6. Step 6: Final answer
    x = 497,715.44

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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.