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Finding the Fourth Proportional to 904,597.20, 1,363,397.90 and 779,744.34

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Solution

The fourth proportional to 904,597.20, 1,363,397.90 and 779,744.34 is: 1,175,221.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,597.20 : 1,363,397.90 = 779,744.34 : x
  2. Step 2: Convert to fraction form
    904,597.20/1,363,397.90 = 779,744.34/x
  3. Step 3: Cross multiply
    904,597.20x = 1,363,397.90 × 779,744.34
  4. Step 4: Simplify right side
    904,597.20x = 1,063,101,793,987.20
  5. Step 5: Solve for x
    x = 1,063,101,793,987.20/904,597.20
  6. Step 6: Final answer
    x = 1,175,221.19

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.