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Finding the Fourth Proportional to 428,592.88, 591,472.56 and 237,594.88

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Solution

The fourth proportional to 428,592.88, 591,472.56 and 237,594.88 is: 327,888.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,592.88 : 591,472.56 = 237,594.88 : x
  2. Step 2: Convert to fraction form
    428,592.88/591,472.56 = 237,594.88/x
  3. Step 3: Cross multiply
    428,592.88x = 591,472.56 × 237,594.88
  4. Step 4: Simplify right side
    428,592.88x = 140,530,851,916.49
  5. Step 5: Solve for x
    x = 140,530,851,916.49/428,592.88
  6. Step 6: Final answer
    x = 327,888.91

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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.