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Finding the Fourth Proportional to 548,864.10, 822,907.35 and 249,488.10

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Solution

The fourth proportional to 548,864.10, 822,907.35 and 249,488.10 is: 374,055.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,864.10 : 822,907.35 = 249,488.10 : x
  2. Step 2: Convert to fraction form
    548,864.10/822,907.35 = 249,488.10/x
  3. Step 3: Cross multiply
    548,864.10x = 822,907.35 × 249,488.10
  4. Step 4: Simplify right side
    548,864.10x = 205,305,591,227.54
  5. Step 5: Solve for x
    x = 205,305,591,227.54/548,864.10
  6. Step 6: Final answer
    x = 374,055.42

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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.