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Finding the Fourth Proportional to 461,487.80, 636,852.54 and 260,283.80

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Solution

The fourth proportional to 461,487.80, 636,852.54 and 260,283.80 is: 359,191.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,487.80 : 636,852.54 = 260,283.80 : x
  2. Step 2: Convert to fraction form
    461,487.80/636,852.54 = 260,283.80/x
  3. Step 3: Cross multiply
    461,487.80x = 636,852.54 × 260,283.80
  4. Step 4: Simplify right side
    461,487.80x = 165,762,399,150.85
  5. Step 5: Solve for x
    x = 165,762,399,150.85/461,487.80
  6. Step 6: Final answer
    x = 359,191.29

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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.