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Finding the Fourth Proportional to 316,892.88, 437,312.52 and 173,653.27

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Solution

The fourth proportional to 316,892.88, 437,312.52 and 173,653.27 is: 239,641.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,892.88 : 437,312.52 = 173,653.27 : x
  2. Step 2: Convert to fraction form
    316,892.88/437,312.52 = 173,653.27/x
  3. Step 3: Cross multiply
    316,892.88x = 437,312.52 × 173,653.27
  4. Step 4: Simplify right side
    316,892.88x = 75,940,748,016.66
  5. Step 5: Solve for x
    x = 75,940,748,016.66/316,892.88
  6. Step 6: Final answer
    x = 239,641.70

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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.