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Finding the Fourth Proportional to 441,802.74, 609,658.78 and 260,505.90

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Solution

The fourth proportional to 441,802.74, 609,658.78 and 260,505.90 is: 359,481.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,802.74 : 609,658.78 = 260,505.90 : x
  2. Step 2: Convert to fraction form
    441,802.74/609,658.78 = 260,505.90/x
  3. Step 3: Cross multiply
    441,802.74x = 609,658.78 × 260,505.90
  4. Step 4: Simplify right side
    441,802.74x = 158,819,709,176.80
  5. Step 5: Solve for x
    x = 158,819,709,176.80/441,802.74
  6. Step 6: Final answer
    x = 359,481.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.