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Finding the Fourth Proportional to 348,430.52, 522,583.29 and 92,264.72

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Solution

The fourth proportional to 348,430.52, 522,583.29 and 92,264.72 is: 138,380.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,430.52 : 522,583.29 = 92,264.72 : x
  2. Step 2: Convert to fraction form
    348,430.52/522,583.29 = 92,264.72/x
  3. Step 3: Cross multiply
    348,430.52x = 522,583.29 × 92,264.72
  4. Step 4: Simplify right side
    348,430.52x = 48,215,998,315.61
  5. Step 5: Solve for x
    x = 48,215,998,315.61/348,430.52
  6. Step 6: Final answer
    x = 138,380.52

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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.