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Finding the Fourth Proportional to 454,701.49, 627,479.76 and 250,771.24

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Solution

The fourth proportional to 454,701.49, 627,479.76 and 250,771.24 is: 346,059.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,701.49 : 627,479.76 = 250,771.24 : x
  2. Step 2: Convert to fraction form
    454,701.49/627,479.76 = 250,771.24/x
  3. Step 3: Cross multiply
    454,701.49x = 627,479.76 × 250,771.24
  4. Step 4: Simplify right side
    454,701.49x = 157,353,877,490.10
  5. Step 5: Solve for x
    x = 157,353,877,490.10/454,701.49
  6. Step 6: Final answer
    x = 346,059.74

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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.