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Finding the Fourth Proportional to 317,117.58, 437,626.50 and 173,877.26

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Solution

The fourth proportional to 317,117.58, 437,626.50 and 173,877.26 is: 239,952.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,117.58 : 437,626.50 = 173,877.26 : x
  2. Step 2: Convert to fraction form
    317,117.58/437,626.50 = 173,877.26/x
  3. Step 3: Cross multiply
    317,117.58x = 437,626.50 × 173,877.26
  4. Step 4: Simplify right side
    317,117.58x = 76,093,296,723.39
  5. Step 5: Solve for x
    x = 76,093,296,723.39/317,117.58
  6. Step 6: Final answer
    x = 239,952.94

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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.