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Finding the Fourth Proportional to 345,335.24, 517,866.72 and 167,789.72

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Solution

The fourth proportional to 345,335.24, 517,866.72 and 167,789.72 is: 251,618.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,335.24 : 517,866.72 = 167,789.72 : x
  2. Step 2: Convert to fraction form
    345,335.24/517,866.72 = 167,789.72/x
  3. Step 3: Cross multiply
    345,335.24x = 517,866.72 × 167,789.72
  4. Step 4: Simplify right side
    345,335.24x = 86,892,711,946.12
  5. Step 5: Solve for x
    x = 86,892,711,946.12/345,335.24
  6. Step 6: Final answer
    x = 251,618.43

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1.5x scale

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.