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Finding the Fourth Proportional to 561,650.55, 842,479.43 and 224,719.35

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Solution

The fourth proportional to 561,650.55, 842,479.43 and 224,719.35 is: 337,080.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,650.55 : 842,479.43 = 224,719.35 : x
  2. Step 2: Convert to fraction form
    561,650.55/842,479.43 = 224,719.35/x
  3. Step 3: Cross multiply
    561,650.55x = 842,479.43 × 224,719.35
  4. Step 4: Simplify right side
    561,650.55x = 189,321,428,774.37
  5. Step 5: Solve for x
    x = 189,321,428,774.37/561,650.55
  6. Step 6: Final answer
    x = 337,080.47

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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.