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Finding the Fourth Proportional to 878,104.80, 1,314,046.80 and 598,168.80

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Solution

The fourth proportional to 878,104.80, 1,314,046.80 and 598,168.80 is: 895,134.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,104.80 : 1,314,046.80 = 598,168.80 : x
  2. Step 2: Convert to fraction form
    878,104.80/1,314,046.80 = 598,168.80/x
  3. Step 3: Cross multiply
    878,104.80x = 1,314,046.80 × 598,168.80
  4. Step 4: Simplify right side
    878,104.80x = 786,021,797,499.84
  5. Step 5: Solve for x
    x = 786,021,797,499.84/878,104.80
  6. Step 6: Final answer
    x = 895,134.38

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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.