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Finding the Fourth Proportional to 560,532.75, 840,791.22 and 260,845.71

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Solution

The fourth proportional to 560,532.75, 840,791.22 and 260,845.71 is: 391,264.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,532.75 : 840,791.22 = 260,845.71 : x
  2. Step 2: Convert to fraction form
    560,532.75/840,791.22 = 260,845.71/x
  3. Step 3: Cross multiply
    560,532.75x = 840,791.22 × 260,845.71
  4. Step 4: Simplify right side
    560,532.75x = 219,316,782,742.67
  5. Step 5: Solve for x
    x = 219,316,782,742.67/560,532.75
  6. Step 6: Final answer
    x = 391,264.89

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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.