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Finding the Fourth Proportional to 548,864.60, 822,908.10 and 249,488.60

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Solution

The fourth proportional to 548,864.60, 822,908.10 and 249,488.60 is: 374,056.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,864.60 : 822,908.10 = 249,488.60 : x
  2. Step 2: Convert to fraction form
    548,864.60/822,908.10 = 249,488.60/x
  3. Step 3: Cross multiply
    548,864.60x = 822,908.10 × 249,488.60
  4. Step 4: Simplify right side
    548,864.60x = 205,306,189,797.66
  5. Step 5: Solve for x
    x = 205,306,189,797.66/548,864.60
  6. Step 6: Final answer
    x = 374,056.17

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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.