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Finding the Fourth Proportional to 317,359.38, 437,955.93 and 181,396.26

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Solution

The fourth proportional to 317,359.38, 437,955.93 and 181,396.26 is: 250,326.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,359.38 : 437,955.93 = 181,396.26 : x
  2. Step 2: Convert to fraction form
    317,359.38/437,955.93 = 181,396.26/x
  3. Step 3: Cross multiply
    317,359.38x = 437,955.93 × 181,396.26
  4. Step 4: Simplify right side
    317,359.38x = 79,443,567,746.82
  5. Step 5: Solve for x
    x = 79,443,567,746.82/317,359.38
  6. Step 6: Final answer
    x = 250,326.83

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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.