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Finding the Fourth Proportional to 406,044.42, 608,724.06 and 255,953.80

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Solution

The fourth proportional to 406,044.42, 608,724.06 and 255,953.80 is: 383,714.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,044.42 : 608,724.06 = 255,953.80 : x
  2. Step 2: Convert to fraction form
    406,044.42/608,724.06 = 255,953.80/x
  3. Step 3: Cross multiply
    406,044.42x = 608,724.06 × 255,953.80
  4. Step 4: Simplify right side
    406,044.42x = 155,805,236,308.43
  5. Step 5: Solve for x
    x = 155,805,236,308.43/406,044.42
  6. Step 6: Final answer
    x = 383,714.76

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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.