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Finding the Fourth Proportional to 457,891.57, 631,848.03 and 253,938.73

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Solution

The fourth proportional to 457,891.57, 631,848.03 and 253,938.73 is: 350,411.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,891.57 : 631,848.03 = 253,938.73 : x
  2. Step 2: Convert to fraction form
    457,891.57/631,848.03 = 253,938.73/x
  3. Step 3: Cross multiply
    457,891.57x = 631,848.03 × 253,938.73
  4. Step 4: Simplify right side
    457,891.57x = 160,450,686,291.20
  5. Step 5: Solve for x
    x = 160,450,686,291.20/457,891.57
  6. Step 6: Final answer
    x = 350,411.97

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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.