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Finding the Fourth Proportional to 395,714.62, 593,572.18 and 277,911.88

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Solution

The fourth proportional to 395,714.62, 593,572.18 and 277,911.88 is: 416,868.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,714.62 : 593,572.18 = 277,911.88 : x
  2. Step 2: Convert to fraction form
    395,714.62/593,572.18 = 277,911.88/x
  3. Step 3: Cross multiply
    395,714.62x = 593,572.18 × 277,911.88
  4. Step 4: Simplify right side
    395,714.62x = 164,960,760,459.50
  5. Step 5: Solve for x
    x = 164,960,760,459.50/395,714.62
  6. Step 6: Final answer
    x = 416,868.00

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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.