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Finding the Fourth Proportional to 548,572.52, 822,111.39 and 264,242.36

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Solution

The fourth proportional to 548,572.52, 822,111.39 and 264,242.36 is: 396,003.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,572.52 : 822,111.39 = 264,242.36 : x
  2. Step 2: Convert to fraction form
    548,572.52/822,111.39 = 264,242.36/x
  3. Step 3: Cross multiply
    548,572.52x = 822,111.39 × 264,242.36
  4. Step 4: Simplify right side
    548,572.52x = 217,236,655,931.76
  5. Step 5: Solve for x
    x = 217,236,655,931.76/548,572.52
  6. Step 6: Final answer
    x = 396,003.53

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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.