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Finding the Fourth Proportional to 317,326.91, 437,922.54 and 174,091.19

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Solution

The fourth proportional to 317,326.91, 437,922.54 and 174,091.19 is: 240,252.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,326.91 : 437,922.54 = 174,091.19 : x
  2. Step 2: Convert to fraction form
    317,326.91/437,922.54 = 174,091.19/x
  3. Step 3: Cross multiply
    317,326.91x = 437,922.54 × 174,091.19
  4. Step 4: Simplify right side
    317,326.91x = 76,238,453,926.81
  5. Step 5: Solve for x
    x = 76,238,453,926.81/317,326.91
  6. Step 6: Final answer
    x = 240,252.10

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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.