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Finding the Fourth Proportional to 499,578.79, 749,614.20 and 233,300.65

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Solution

The fourth proportional to 499,578.79, 749,614.20 and 233,300.65 is: 350,065.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,578.79 : 749,614.20 = 233,300.65 : x
  2. Step 2: Convert to fraction form
    499,578.79/749,614.20 = 233,300.65/x
  3. Step 3: Cross multiply
    499,578.79x = 749,614.20 × 233,300.65
  4. Step 4: Simplify right side
    499,578.79x = 174,885,480,109.23
  5. Step 5: Solve for x
    x = 174,885,480,109.23/499,578.79
  6. Step 6: Final answer
    x = 350,065.86

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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.