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Finding the Fourth Proportional to 662,346.48, 914,055.96 and 360,553.20

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Solution

The fourth proportional to 662,346.48, 914,055.96 and 360,553.20 is: 497,573.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,346.48 : 914,055.96 = 360,553.20 : x
  2. Step 2: Convert to fraction form
    662,346.48/914,055.96 = 360,553.20/x
  3. Step 3: Cross multiply
    662,346.48x = 914,055.96 × 360,553.20
  4. Step 4: Simplify right side
    662,346.48x = 329,565,801,357.07
  5. Step 5: Solve for x
    x = 329,565,801,357.07/662,346.48
  6. Step 6: Final answer
    x = 497,573.12

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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.