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Finding the Fourth Proportional to 425,906.94, 587,741.28 and 234,916.23

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Solution

The fourth proportional to 425,906.94, 587,741.28 and 234,916.23 is: 324,178.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,906.94 : 587,741.28 = 234,916.23 : x
  2. Step 2: Convert to fraction form
    425,906.94/587,741.28 = 234,916.23/x
  3. Step 3: Cross multiply
    425,906.94x = 587,741.28 × 234,916.23
  4. Step 4: Simplify right side
    425,906.94x = 138,069,965,712.97
  5. Step 5: Solve for x
    x = 138,069,965,712.97/425,906.94
  6. Step 6: Final answer
    x = 324,178.72

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1.5x scale

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.