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Finding the Fourth Proportional to 598,103.80, 897,314.10 and 260,999.80

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Solution

The fourth proportional to 598,103.80, 897,314.10 and 260,999.80 is: 391,568.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,103.80 : 897,314.10 = 260,999.80 : x
  2. Step 2: Convert to fraction form
    598,103.80/897,314.10 = 260,999.80/x
  3. Step 3: Cross multiply
    598,103.80x = 897,314.10 × 260,999.80
  4. Step 4: Simplify right side
    598,103.80x = 234,198,800,637.18
  5. Step 5: Solve for x
    x = 234,198,800,637.18/598,103.80
  6. Step 6: Final answer
    x = 391,568.82

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1.5x scale

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.