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Finding the Fourth Proportional to 305,653.90, 458,545.65 and 92,404.30

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Solution

The fourth proportional to 305,653.90, 458,545.65 and 92,404.30 is: 138,626.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,653.90 : 458,545.65 = 92,404.30 : x
  2. Step 2: Convert to fraction form
    305,653.90/458,545.65 = 92,404.30/x
  3. Step 3: Cross multiply
    305,653.90x = 458,545.65 × 92,404.30
  4. Step 4: Simplify right side
    305,653.90x = 42,371,589,806.30
  5. Step 5: Solve for x
    x = 42,371,589,806.30/305,653.90
  6. Step 6: Final answer
    x = 138,626.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.