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Finding the Fourth Proportional to 457,020.30, 685,523.04 and 124,596.30

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Solution

The fourth proportional to 457,020.30, 685,523.04 and 124,596.30 is: 186,892.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,020.30 : 685,523.04 = 124,596.30 : x
  2. Step 2: Convert to fraction form
    457,020.30/685,523.04 = 124,596.30/x
  3. Step 3: Cross multiply
    457,020.30x = 685,523.04 × 124,596.30
  4. Step 4: Simplify right side
    457,020.30x = 85,413,634,348.75
  5. Step 5: Solve for x
    x = 85,413,634,348.75/457,020.30
  6. Step 6: Final answer
    x = 186,892.43

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1.5x scale

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.