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Finding the Fourth Proportional to 440,175.40, 660,306.84 and 159,714.52

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Solution

The fourth proportional to 440,175.40, 660,306.84 and 159,714.52 is: 239,587.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,175.40 : 660,306.84 = 159,714.52 : x
  2. Step 2: Convert to fraction form
    440,175.40/660,306.84 = 159,714.52/x
  3. Step 3: Cross multiply
    440,175.40x = 660,306.84 × 159,714.52
  4. Step 4: Simplify right side
    440,175.40x = 105,460,590,003.32
  5. Step 5: Solve for x
    x = 105,460,590,003.32/440,175.40
  6. Step 6: Final answer
    x = 239,587.65

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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.