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Finding the Fourth Proportional to 356,548.83, 534,645.18 and 116,631.42

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Solution

The fourth proportional to 356,548.83, 534,645.18 and 116,631.42 is: 174,888.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,548.83 : 534,645.18 = 116,631.42 : x
  2. Step 2: Convert to fraction form
    356,548.83/534,645.18 = 116,631.42/x
  3. Step 3: Cross multiply
    356,548.83x = 534,645.18 × 116,631.42
  4. Step 4: Simplify right side
    356,548.83x = 62,356,426,539.56
  5. Step 5: Solve for x
    x = 62,356,426,539.56/356,548.83
  6. Step 6: Final answer
    x = 174,888.88

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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.