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Finding the Fourth Proportional to 581,242.86, 871,393.68 and 181,677.96

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Solution

The fourth proportional to 581,242.86, 871,393.68 and 181,677.96 is: 272,369.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,242.86 : 871,393.68 = 181,677.96 : x
  2. Step 2: Convert to fraction form
    581,242.86/871,393.68 = 181,677.96/x
  3. Step 3: Cross multiply
    581,242.86x = 871,393.68 × 181,677.96
  4. Step 4: Simplify right side
    581,242.86x = 158,313,026,139.29
  5. Step 5: Solve for x
    x = 158,313,026,139.29/581,242.86
  6. Step 6: Final answer
    x = 272,369.84

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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.