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Finding the Fourth Proportional to 419,169.01, 578,532.95 and 237,897.92

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Solution

The fourth proportional to 419,169.01, 578,532.95 and 237,897.92 is: 328,344.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,169.01 : 578,532.95 = 237,897.92 : x
  2. Step 2: Convert to fraction form
    419,169.01/578,532.95 = 237,897.92/x
  3. Step 3: Cross multiply
    419,169.01x = 578,532.95 × 237,897.92
  4. Step 4: Simplify right side
    419,169.01x = 137,631,784,266.97
  5. Step 5: Solve for x
    x = 137,631,784,266.97/419,169.01
  6. Step 6: Final answer
    x = 328,344.37

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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.