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Finding the Fourth Proportional to 454,593.50, 627,186.74 and 293,557.40

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Solution

The fourth proportional to 454,593.50, 627,186.74 and 293,557.40 is: 405,010.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,593.50 : 627,186.74 = 293,557.40 : x
  2. Step 2: Convert to fraction form
    454,593.50/627,186.74 = 293,557.40/x
  3. Step 3: Cross multiply
    454,593.50x = 627,186.74 × 293,557.40
  4. Step 4: Simplify right side
    454,593.50x = 184,115,304,105.16
  5. Step 5: Solve for x
    x = 184,115,304,105.16/454,593.50
  6. Step 6: Final answer
    x = 405,010.86

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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.