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Finding the Fourth Proportional to 458,251.32, 632,358.23 and 276,856.05

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Solution

The fourth proportional to 458,251.32, 632,358.23 and 276,856.05 is: 382,044.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,251.32 : 632,358.23 = 276,856.05 : x
  2. Step 2: Convert to fraction form
    458,251.32/632,358.23 = 276,856.05/x
  3. Step 3: Cross multiply
    458,251.32x = 632,358.23 × 276,856.05
  4. Step 4: Simplify right side
    458,251.32x = 175,072,200,358.51
  5. Step 5: Solve for x
    x = 175,072,200,358.51/458,251.32
  6. Step 6: Final answer
    x = 382,044.07

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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.