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Finding the Fourth Proportional to 316,814.44, 437,215.98 and 180,870.52

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Solution

The fourth proportional to 316,814.44, 437,215.98 and 180,870.52 is: 249,608.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,814.44 : 437,215.98 = 180,870.52 : x
  2. Step 2: Convert to fraction form
    316,814.44/437,215.98 = 180,870.52/x
  3. Step 3: Cross multiply
    316,814.44x = 437,215.98 × 180,870.52
  4. Step 4: Simplify right side
    316,814.44x = 79,079,481,654.91
  5. Step 5: Solve for x
    x = 79,079,481,654.91/316,814.44
  6. Step 6: Final answer
    x = 249,608.20

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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.