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Finding the Fourth Proportional to 360,663.66, 497,734.02 and 217,469.88

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Solution

The fourth proportional to 360,663.66, 497,734.02 and 217,469.88 is: 300,119.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,663.66 : 497,734.02 = 217,469.88 : x
  2. Step 2: Convert to fraction form
    360,663.66/497,734.02 = 217,469.88/x
  3. Step 3: Cross multiply
    360,663.66x = 497,734.02 × 217,469.88
  4. Step 4: Simplify right side
    360,663.66x = 108,242,157,601.32
  5. Step 5: Solve for x
    x = 108,242,157,601.32/360,663.66
  6. Step 6: Final answer
    x = 300,119.39

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1.5x scale

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.