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Finding the Fourth Proportional to 519,481.04, 716,876.84 and 290,041.83

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Solution

The fourth proportional to 519,481.04, 716,876.84 and 290,041.83 is: 400,253.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    519,481.04 : 716,876.84 = 290,041.83 : x
  2. Step 2: Convert to fraction form
    519,481.04/716,876.84 = 290,041.83/x
  3. Step 3: Cross multiply
    519,481.04x = 716,876.84 × 290,041.83
  4. Step 4: Simplify right side
    519,481.04x = 207,924,269,108.01
  5. Step 5: Solve for x
    x = 207,924,269,108.01/519,481.04
  6. Step 6: Final answer
    x = 400,253.82

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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.