Home / 350,176.78-521,934.08-330,245.92

Finding the Fourth Proportional to 350,176.78, 521,934.08 and 330,245.92

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Solution

The fourth proportional to 350,176.78, 521,934.08 and 330,245.92 is: 492,227.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,176.78 : 521,934.08 = 330,245.92 : x
  2. Step 2: Convert to fraction form
    350,176.78/521,934.08 = 330,245.92/x
  3. Step 3: Cross multiply
    350,176.78x = 521,934.08 × 330,245.92
  4. Step 4: Simplify right side
    350,176.78x = 172,366,600,428.95
  5. Step 5: Solve for x
    x = 172,366,600,428.95/350,176.78
  6. Step 6: Final answer
    x = 492,227.38

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.