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Finding the Fourth Proportional to 560,223.06, 840,443.88 and 181,237.74

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Solution

The fourth proportional to 560,223.06, 840,443.88 and 181,237.74 is: 271,891.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,223.06 : 840,443.88 = 181,237.74 : x
  2. Step 2: Convert to fraction form
    560,223.06/840,443.88 = 181,237.74/x
  3. Step 3: Cross multiply
    560,223.06x = 840,443.88 × 181,237.74
  4. Step 4: Simplify right side
    560,223.06x = 152,320,149,408.03
  5. Step 5: Solve for x
    x = 152,320,149,408.03/560,223.06
  6. Step 6: Final answer
    x = 271,891.97

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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.