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Finding the Fourth Proportional to 460,862.89, 636,028.64 and 254,171.70

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Solution

The fourth proportional to 460,862.89, 636,028.64 and 254,171.70 is: 350,777.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,862.89 : 636,028.64 = 254,171.70 : x
  2. Step 2: Convert to fraction form
    460,862.89/636,028.64 = 254,171.70/x
  3. Step 3: Cross multiply
    460,862.89x = 636,028.64 × 254,171.70
  4. Step 4: Simplify right side
    460,862.89x = 161,660,477,497.35
  5. Step 5: Solve for x
    x = 161,660,477,497.35/460,862.89
  6. Step 6: Final answer
    x = 350,777.82

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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.