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Finding the Fourth Proportional to 561,639.30, 842,462.55 and 224,708.10

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Solution

The fourth proportional to 561,639.30, 842,462.55 and 224,708.10 is: 337,063.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,639.30 : 842,462.55 = 224,708.10 : x
  2. Step 2: Convert to fraction form
    561,639.30/842,462.55 = 224,708.10/x
  3. Step 3: Cross multiply
    561,639.30x = 842,462.55 × 224,708.10
  4. Step 4: Simplify right side
    561,639.30x = 189,308,158,931.66
  5. Step 5: Solve for x
    x = 189,308,158,931.66/561,639.30
  6. Step 6: Final answer
    x = 337,063.59

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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.