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Finding the Fourth Proportional to 376,332.95, 519,770.49 and 247,845.79

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Solution

The fourth proportional to 376,332.95, 519,770.49 and 247,845.79 is: 342,311.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    376,332.95 : 519,770.49 = 247,845.79 : x
  2. Step 2: Convert to fraction form
    376,332.95/519,770.49 = 247,845.79/x
  3. Step 3: Cross multiply
    376,332.95x = 519,770.49 × 247,845.79
  4. Step 4: Simplify right side
    376,332.95x = 128,822,927,712.74
  5. Step 5: Solve for x
    x = 128,822,927,712.74/376,332.95
  6. Step 6: Final answer
    x = 342,311.05

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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.