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Finding the Fourth Proportional to 257,232.17, 354,916.28 and 148,369.79

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Solution

The fourth proportional to 257,232.17, 354,916.28 and 148,369.79 is: 204,713.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,232.17 : 354,916.28 = 148,369.79 : x
  2. Step 2: Convert to fraction form
    257,232.17/354,916.28 = 148,369.79/x
  3. Step 3: Cross multiply
    257,232.17x = 354,916.28 × 148,369.79
  4. Step 4: Simplify right side
    257,232.17x = 52,658,853,189.33
  5. Step 5: Solve for x
    x = 52,658,853,189.33/257,232.17
  6. Step 6: Final answer
    x = 204,713.33

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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.