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Finding the Fourth Proportional to 460,689.21, 635,723.13 and 253,948.53

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Solution

The fourth proportional to 460,689.21, 635,723.13 and 253,948.53 is: 350,433.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,689.21 : 635,723.13 = 253,948.53 : x
  2. Step 2: Convert to fraction form
    460,689.21/635,723.13 = 253,948.53/x
  3. Step 3: Cross multiply
    460,689.21x = 635,723.13 × 253,948.53
  4. Step 4: Simplify right side
    460,689.21x = 161,440,954,350.50
  5. Step 5: Solve for x
    x = 161,440,954,350.50/460,689.21
  6. Step 6: Final answer
    x = 350,433.55

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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.