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Finding the Fourth Proportional to 317,081.66, 437,572.10 and 173,850.98

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Solution

The fourth proportional to 317,081.66, 437,572.10 and 173,850.98 is: 239,914.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,081.66 : 437,572.10 = 173,850.98 : x
  2. Step 2: Convert to fraction form
    317,081.66/437,572.10 = 173,850.98/x
  3. Step 3: Cross multiply
    317,081.66x = 437,572.10 × 173,850.98
  4. Step 4: Simplify right side
    317,081.66x = 76,072,339,934.22
  5. Step 5: Solve for x
    x = 76,072,339,934.22/317,081.66
  6. Step 6: Final answer
    x = 239,914.03

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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.