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Finding the Fourth Proportional to 352,910.17, 487,014.34 and 199,948.06

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Solution

The fourth proportional to 352,910.17, 487,014.34 and 199,948.06 is: 275,927.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,910.17 : 487,014.34 = 199,948.06 : x
  2. Step 2: Convert to fraction form
    352,910.17/487,014.34 = 199,948.06/x
  3. Step 3: Cross multiply
    352,910.17x = 487,014.34 × 199,948.06
  4. Step 4: Simplify right side
    352,910.17x = 97,377,573,708.79
  5. Step 5: Solve for x
    x = 97,377,573,708.79/352,910.17
  6. Step 6: Final answer
    x = 275,927.36

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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.