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Finding the Fourth Proportional to 467,534.71, 644,898.69 and 324,242.47

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Solution

The fourth proportional to 467,534.71, 644,898.69 and 324,242.47 is: 447,247.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,534.71 : 644,898.69 = 324,242.47 : x
  2. Step 2: Convert to fraction form
    467,534.71/644,898.69 = 324,242.47/x
  3. Step 3: Cross multiply
    467,534.71x = 644,898.69 × 324,242.47
  4. Step 4: Simplify right side
    467,534.71x = 209,103,544,145.36
  5. Step 5: Solve for x
    x = 209,103,544,145.36/467,534.71
  6. Step 6: Final answer
    x = 447,247.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.