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Finding the Fourth Proportional to 720,593.40, 994,517.77 and 414,663.54

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Solution

The fourth proportional to 720,593.40, 994,517.77 and 414,663.54 is: 572,292.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,593.40 : 994,517.77 = 414,663.54 : x
  2. Step 2: Convert to fraction form
    720,593.40/994,517.77 = 414,663.54/x
  3. Step 3: Cross multiply
    720,593.40x = 994,517.77 × 414,663.54
  4. Step 4: Simplify right side
    720,593.40x = 412,390,254,128.52
  5. Step 5: Solve for x
    x = 412,390,254,128.52/720,593.40
  6. Step 6: Final answer
    x = 572,292.58

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.