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Finding the Fourth Proportional to 454,779, 627,586.50 and 250,848.96

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Solution

The fourth proportional to 454,779, 627,586.50 and 250,848.96 is: 346,166.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,779 : 627,586.50 = 250,848.96 : x
  2. Step 2: Convert to fraction form
    454,779/627,586.50 = 250,848.96/x
  3. Step 3: Cross multiply
    454,779x = 627,586.50 × 250,848.96
  4. Step 4: Simplify right side
    454,779x = 157,429,420,835.04
  5. Step 5: Solve for x
    x = 157,429,420,835.04/454,779
  6. Step 6: Final answer
    x = 346,166.87

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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.