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Finding the Fourth Proportional to 560,491.82, 840,871.12 and 181,412.54

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Solution

The fourth proportional to 560,491.82, 840,871.12 and 181,412.54 is: 272,161.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,491.82 : 840,871.12 = 181,412.54 : x
  2. Step 2: Convert to fraction form
    560,491.82/840,871.12 = 181,412.54/x
  3. Step 3: Cross multiply
    560,491.82x = 840,871.12 × 181,412.54
  4. Step 4: Simplify right side
    560,491.82x = 152,544,565,691.85
  5. Step 5: Solve for x
    x = 152,544,565,691.85/560,491.82
  6. Step 6: Final answer
    x = 272,161.98

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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.