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Finding the Fourth Proportional to 328,919.48, 493,552.11 and 233,472.65

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Solution

The fourth proportional to 328,919.48, 493,552.11 and 233,472.65 is: 350,331.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    328,919.48 : 493,552.11 = 233,472.65 : x
  2. Step 2: Convert to fraction form
    328,919.48/493,552.11 = 233,472.65/x
  3. Step 3: Cross multiply
    328,919.48x = 493,552.11 × 233,472.65
  4. Step 4: Simplify right side
    328,919.48x = 115,230,916,567.03
  5. Step 5: Solve for x
    x = 115,230,916,567.03/328,919.48
  6. Step 6: Final answer
    x = 350,331.69

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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.