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Finding the Fourth Proportional to 344,977.76, 517,430.28 and 92,283.78

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Solution

The fourth proportional to 344,977.76, 517,430.28 and 92,283.78 is: 138,415.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,977.76 : 517,430.28 = 92,283.78 : x
  2. Step 2: Convert to fraction form
    344,977.76/517,430.28 = 92,283.78/x
  3. Step 3: Cross multiply
    344,977.76x = 517,430.28 × 92,283.78
  4. Step 4: Simplify right side
    344,977.76x = 47,750,422,124.86
  5. Step 5: Solve for x
    x = 47,750,422,124.86/344,977.76
  6. Step 6: Final answer
    x = 138,415.94

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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.