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Finding the Fourth Proportional to 458,251.57, 632,358.57 and 276,856.30

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Solution

The fourth proportional to 458,251.57, 632,358.57 and 276,856.30 is: 382,044.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,251.57 : 632,358.57 = 276,856.30 : x
  2. Step 2: Convert to fraction form
    458,251.57/632,358.57 = 276,856.30/x
  3. Step 3: Cross multiply
    458,251.57x = 632,358.57 × 276,856.30
  4. Step 4: Simplify right side
    458,251.57x = 175,072,453,963.49
  5. Step 5: Solve for x
    x = 175,072,453,963.49/458,251.57
  6. Step 6: Final answer
    x = 382,044.42

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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.