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Finding the Fourth Proportional to 548,298.76, 822,513.78 and 193,239.28

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Solution

The fourth proportional to 548,298.76, 822,513.78 and 193,239.28 is: 289,882.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,298.76 : 822,513.78 = 193,239.28 : x
  2. Step 2: Convert to fraction form
    548,298.76/822,513.78 = 193,239.28/x
  3. Step 3: Cross multiply
    548,298.76x = 822,513.78 × 193,239.28
  4. Step 4: Simplify right side
    548,298.76x = 158,941,970,637.28
  5. Step 5: Solve for x
    x = 158,941,970,637.28/548,298.76
  6. Step 6: Final answer
    x = 289,882.05

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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.