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Finding the Fourth Proportional to 220,998.66, 304,898.17 and 144,561.34

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Solution

The fourth proportional to 220,998.66, 304,898.17 and 144,561.34 is: 199,442.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,998.66 : 304,898.17 = 144,561.34 : x
  2. Step 2: Convert to fraction form
    220,998.66/304,898.17 = 144,561.34/x
  3. Step 3: Cross multiply
    220,998.66x = 304,898.17 × 144,561.34
  4. Step 4: Simplify right side
    220,998.66x = 44,076,488,018.75
  5. Step 5: Solve for x
    x = 44,076,488,018.75/220,998.66
  6. Step 6: Final answer
    x = 199,442.33

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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.