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Finding the Fourth Proportional to 356,443.65, 534,333.27 and 178,743.01

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Solution

The fourth proportional to 356,443.65, 534,333.27 and 178,743.01 is: 267,947.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,443.65 : 534,333.27 = 178,743.01 : x
  2. Step 2: Convert to fraction form
    356,443.65/534,333.27 = 178,743.01/x
  3. Step 3: Cross multiply
    356,443.65x = 534,333.27 × 178,743.01
  4. Step 4: Simplify right side
    356,443.65x = 95,508,337,022.94
  5. Step 5: Solve for x
    x = 95,508,337,022.94/356,443.65
  6. Step 6: Final answer
    x = 267,947.93

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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.