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Finding the Fourth Proportional to 422,595.54, 583,180.70 and 229,008.62

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Solution

The fourth proportional to 422,595.54, 583,180.70 and 229,008.62 is: 316,031.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,595.54 : 583,180.70 = 229,008.62 : x
  2. Step 2: Convert to fraction form
    422,595.54/583,180.70 = 229,008.62/x
  3. Step 3: Cross multiply
    422,595.54x = 583,180.70 × 229,008.62
  4. Step 4: Simplify right side
    422,595.54x = 133,553,407,630.54
  5. Step 5: Solve for x
    x = 133,553,407,630.54/422,595.54
  6. Step 6: Final answer
    x = 316,031.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.