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Finding the Fourth Proportional to 316,863.59, 437,269.23 and 173,623.25

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Solution

The fourth proportional to 316,863.59, 437,269.23 and 173,623.25 is: 239,598.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,863.59 : 437,269.23 = 173,623.25 : x
  2. Step 2: Convert to fraction form
    316,863.59/437,269.23 = 173,623.25/x
  3. Step 3: Cross multiply
    316,863.59x = 437,269.23 × 173,623.25
  4. Step 4: Simplify right side
    316,863.59x = 75,920,102,651.25
  5. Step 5: Solve for x
    x = 75,920,102,651.25/316,863.59
  6. Step 6: Final answer
    x = 239,598.70

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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.