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Finding the Fourth Proportional to 316,745.04, 437,108.27 and 173,507.43

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Solution

The fourth proportional to 316,745.04, 437,108.27 and 173,507.43 is: 239,440.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,745.04 : 437,108.27 = 173,507.43 : x
  2. Step 2: Convert to fraction form
    316,745.04/437,108.27 = 173,507.43/x
  3. Step 3: Cross multiply
    316,745.04x = 437,108.27 × 173,507.43
  4. Step 4: Simplify right side
    316,745.04x = 75,841,531,691.91
  5. Step 5: Solve for x
    x = 75,841,531,691.91/316,745.04
  6. Step 6: Final answer
    x = 239,440.31

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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.