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Finding the Fourth Proportional to 489,562.38, 675,560.66 and 271,782.74

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Solution

The fourth proportional to 489,562.38, 675,560.66 and 271,782.74 is: 375,040.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,562.38 : 675,560.66 = 271,782.74 : x
  2. Step 2: Convert to fraction form
    489,562.38/675,560.66 = 271,782.74/x
  3. Step 3: Cross multiply
    489,562.38x = 675,560.66 × 271,782.74
  4. Step 4: Simplify right side
    489,562.38x = 183,605,727,541.00
  5. Step 5: Solve for x
    x = 183,605,727,541.00/489,562.38
  6. Step 6: Final answer
    x = 375,040.52

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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.