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Finding the Fourth Proportional to 315,560.05, 473,568.43 and 123,462.88

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Solution

The fourth proportional to 315,560.05, 473,568.43 and 123,462.88 is: 185,283.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,560.05 : 473,568.43 = 123,462.88 : x
  2. Step 2: Convert to fraction form
    315,560.05/473,568.43 = 123,462.88/x
  3. Step 3: Cross multiply
    315,560.05x = 473,568.43 × 123,462.88
  4. Step 4: Simplify right side
    315,560.05x = 58,468,122,244.88
  5. Step 5: Solve for x
    x = 58,468,122,244.88/315,560.05
  6. Step 6: Final answer
    x = 185,283.66

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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.