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Finding the Fourth Proportional to 587,722.80, 881,584.20 and 484,042.80

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Solution

The fourth proportional to 587,722.80, 881,584.20 and 484,042.80 is: 726,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,722.80 : 881,584.20 = 484,042.80 : x
  2. Step 2: Convert to fraction form
    587,722.80/881,584.20 = 484,042.80/x
  3. Step 3: Cross multiply
    587,722.80x = 881,584.20 × 484,042.80
  4. Step 4: Simplify right side
    587,722.80x = 426,724,484,603.76
  5. Step 5: Solve for x
    x = 426,724,484,603.76/587,722.80
  6. Step 6: Final answer
    x = 726,064.20

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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.