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Finding the Fourth Proportional to 331,567.65, 497,351.48 and 248,623.65

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Solution

The fourth proportional to 331,567.65, 497,351.48 and 248,623.65 is: 372,935.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,567.65 : 497,351.48 = 248,623.65 : x
  2. Step 2: Convert to fraction form
    331,567.65/497,351.48 = 248,623.65/x
  3. Step 3: Cross multiply
    331,567.65x = 497,351.48 × 248,623.65
  4. Step 4: Simplify right side
    331,567.65x = 123,653,339,047.38
  5. Step 5: Solve for x
    x = 123,653,339,047.38/331,567.65
  6. Step 6: Final answer
    x = 372,935.48

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Similar ratio
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1.5x scale

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.