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Finding the Fourth Proportional to 319,423.65, 479,436.87 and 234,926.17

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Solution

The fourth proportional to 319,423.65, 479,436.87 and 234,926.17 is: 352,610.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,423.65 : 479,436.87 = 234,926.17 : x
  2. Step 2: Convert to fraction form
    319,423.65/479,436.87 = 234,926.17/x
  3. Step 3: Cross multiply
    319,423.65x = 479,436.87 × 234,926.17
  4. Step 4: Simplify right side
    319,423.65x = 112,632,270,005.10
  5. Step 5: Solve for x
    x = 112,632,270,005.10/319,423.65
  6. Step 6: Final answer
    x = 352,610.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.