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Finding the Fourth Proportional to 561,655.80, 842,487.30 and 224,724.60

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Solution

The fourth proportional to 561,655.80, 842,487.30 and 224,724.60 is: 337,088.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,655.80 : 842,487.30 = 224,724.60 : x
  2. Step 2: Convert to fraction form
    561,655.80/842,487.30 = 224,724.60/x
  3. Step 3: Cross multiply
    561,655.80x = 842,487.30 × 224,724.60
  4. Step 4: Simplify right side
    561,655.80x = 189,327,621,497.58
  5. Step 5: Solve for x
    x = 189,327,621,497.58/561,655.80
  6. Step 6: Final answer
    x = 337,088.34

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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.