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Finding the Fourth Proportional to 467,282.61, 702,387.03 and 308,379.69

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Solution

The fourth proportional to 467,282.61, 702,387.03 and 308,379.69 is: 463,535.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,282.61 : 702,387.03 = 308,379.69 : x
  2. Step 2: Convert to fraction form
    467,282.61/702,387.03 = 308,379.69/x
  3. Step 3: Cross multiply
    467,282.61x = 702,387.03 × 308,379.69
  4. Step 4: Simplify right side
    467,282.61x = 216,601,894,571.42
  5. Step 5: Solve for x
    x = 216,601,894,571.42/467,282.61
  6. Step 6: Final answer
    x = 463,535.11

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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.