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Finding the Fourth Proportional to 434,158.68, 599,144.94 and 243,170.52

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Solution

The fourth proportional to 434,158.68, 599,144.94 and 243,170.52 is: 335,578.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,158.68 : 599,144.94 = 243,170.52 : x
  2. Step 2: Convert to fraction form
    434,158.68/599,144.94 = 243,170.52/x
  3. Step 3: Cross multiply
    434,158.68x = 599,144.94 × 243,170.52
  4. Step 4: Simplify right side
    434,158.68x = 145,694,386,615.17
  5. Step 5: Solve for x
    x = 145,694,386,615.17/434,158.68
  6. Step 6: Final answer
    x = 335,578.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.