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Finding the Fourth Proportional to 356,241.77, 534,397.76 and 103,524.47

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Solution

The fourth proportional to 356,241.77, 534,397.76 and 103,524.47 is: 155,296.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,241.77 : 534,397.76 = 103,524.47 : x
  2. Step 2: Convert to fraction form
    356,241.77/534,397.76 = 103,524.47/x
  3. Step 3: Cross multiply
    356,241.77x = 534,397.76 × 103,524.47
  4. Step 4: Simplify right side
    356,241.77x = 55,323,244,873.19
  5. Step 5: Solve for x
    x = 55,323,244,873.19/356,241.77
  6. Step 6: Final answer
    x = 155,296.91

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.