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Finding the Fourth Proportional to 293,695.47, 440,327.70 and 93,900.87

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Solution

The fourth proportional to 293,695.47, 440,327.70 and 93,900.87 is: 140,782.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,695.47 : 440,327.70 = 93,900.87 : x
  2. Step 2: Convert to fraction form
    293,695.47/440,327.70 = 93,900.87/x
  3. Step 3: Cross multiply
    293,695.47x = 440,327.70 × 93,900.87
  4. Step 4: Simplify right side
    293,695.47x = 41,347,154,115.10
  5. Step 5: Solve for x
    x = 41,347,154,115.10/293,695.47
  6. Step 6: Final answer
    x = 140,782.40

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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.