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Finding the Fourth Proportional to 293,432.56, 440,312.38 and 158,493.91

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Solution

The fourth proportional to 293,432.56, 440,312.38 and 158,493.91 is: 237,829.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,432.56 : 440,312.38 = 158,493.91 : x
  2. Step 2: Convert to fraction form
    293,432.56/440,312.38 = 158,493.91/x
  3. Step 3: Cross multiply
    293,432.56x = 440,312.38 × 158,493.91
  4. Step 4: Simplify right side
    293,432.56x = 69,786,828,526.04
  5. Step 5: Solve for x
    x = 69,786,828,526.04/293,432.56
  6. Step 6: Final answer
    x = 237,829.19

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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.