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Finding the Fourth Proportional to 465,722.30, 698,583.45 and 288,575.30

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Solution

The fourth proportional to 465,722.30, 698,583.45 and 288,575.30 is: 432,862.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,722.30 : 698,583.45 = 288,575.30 : x
  2. Step 2: Convert to fraction form
    465,722.30/698,583.45 = 288,575.30/x
  3. Step 3: Cross multiply
    465,722.30x = 698,583.45 × 288,575.30
  4. Step 4: Simplify right side
    465,722.30x = 201,593,928,658.79
  5. Step 5: Solve for x
    x = 201,593,928,658.79/465,722.30
  6. Step 6: Final answer
    x = 432,862.95

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Similar ratio
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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.