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Finding the Fourth Proportional to 465,510.60, 698,265.90 and 443,859.30

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Solution

The fourth proportional to 465,510.60, 698,265.90 and 443,859.30 is: 665,788.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    465,510.60 : 698,265.90 = 443,859.30 : x
  2. Step 2: Convert to fraction form
    465,510.60/698,265.90 = 443,859.30/x
  3. Step 3: Cross multiply
    465,510.60x = 698,265.90 × 443,859.30
  4. Step 4: Simplify right side
    465,510.60x = 309,931,813,587.87
  5. Step 5: Solve for x
    x = 309,931,813,587.87/465,510.60
  6. Step 6: Final answer
    x = 665,788.95

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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.