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Finding the Fourth Proportional to 454,869.60, 627,706.44 and 253,665.60

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Solution

The fourth proportional to 454,869.60, 627,706.44 and 253,665.60 is: 350,050.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,869.60 : 627,706.44 = 253,665.60 : x
  2. Step 2: Convert to fraction form
    454,869.60/627,706.44 = 253,665.60/x
  3. Step 3: Cross multiply
    454,869.60x = 627,706.44 × 253,665.60
  4. Step 4: Simplify right side
    454,869.60x = 159,227,530,726.46
  5. Step 5: Solve for x
    x = 159,227,530,726.46/454,869.60
  6. Step 6: Final answer
    x = 350,050.94

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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.