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Finding the Fourth Proportional to 562,280.40, 842,108.40 and 551,005.20

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Solution

The fourth proportional to 562,280.40, 842,108.40 and 551,005.20 is: 825,221.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,280.40 : 842,108.40 = 551,005.20 : x
  2. Step 2: Convert to fraction form
    562,280.40/842,108.40 = 551,005.20/x
  3. Step 3: Cross multiply
    562,280.40x = 842,108.40 × 551,005.20
  4. Step 4: Simplify right side
    562,280.40x = 464,006,107,363.68
  5. Step 5: Solve for x
    x = 464,006,107,363.68/562,280.40
  6. Step 6: Final answer
    x = 825,221.91

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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.