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Finding the Fourth Proportional to 454,956.75, 627,840.32 and 253,752.75

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Solution

The fourth proportional to 454,956.75, 627,840.32 and 253,752.75 is: 350,178.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,956.75 : 627,840.32 = 253,752.75 : x
  2. Step 2: Convert to fraction form
    454,956.75/627,840.32 = 253,752.75/x
  3. Step 3: Cross multiply
    454,956.75x = 627,840.32 × 253,752.75
  4. Step 4: Simplify right side
    454,956.75x = 159,316,206,492.12
  5. Step 5: Solve for x
    x = 159,316,206,492.12/454,956.75
  6. Step 6: Final answer
    x = 350,178.80

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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.