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Finding the Fourth Proportional to 359,047.26, 495,382.23 and 231,795.18

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Solution

The fourth proportional to 359,047.26, 495,382.23 and 231,795.18 is: 319,810.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,047.26 : 495,382.23 = 231,795.18 : x
  2. Step 2: Convert to fraction form
    359,047.26/495,382.23 = 231,795.18/x
  3. Step 3: Cross multiply
    359,047.26x = 495,382.23 × 231,795.18
  4. Step 4: Simplify right side
    359,047.26x = 114,827,213,171.65
  5. Step 5: Solve for x
    x = 114,827,213,171.65/359,047.26
  6. Step 6: Final answer
    x = 319,810.86

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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.