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Finding the Fourth Proportional to 548,906.10, 822,970.35 and 249,530.10

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Solution

The fourth proportional to 548,906.10, 822,970.35 and 249,530.10 is: 374,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,906.10 : 822,970.35 = 249,530.10 : x
  2. Step 2: Convert to fraction form
    548,906.10/822,970.35 = 249,530.10/x
  3. Step 3: Cross multiply
    548,906.10x = 822,970.35 × 249,530.10
  4. Step 4: Simplify right side
    548,906.10x = 205,355,873,732.54
  5. Step 5: Solve for x
    x = 205,355,873,732.54/548,906.10
  6. Step 6: Final answer
    x = 374,118.40

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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.