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Finding the Fourth Proportional to 674,269.36, 930,488.88 and 372,463.36

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Solution

The fourth proportional to 674,269.36, 930,488.88 and 372,463.36 is: 513,997.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,269.36 : 930,488.88 = 372,463.36 : x
  2. Step 2: Convert to fraction form
    674,269.36/930,488.88 = 372,463.36/x
  3. Step 3: Cross multiply
    674,269.36x = 930,488.88 × 372,463.36
  4. Step 4: Simplify right side
    674,269.36x = 346,573,014,687.44
  5. Step 5: Solve for x
    x = 346,573,014,687.44/674,269.36
  6. Step 6: Final answer
    x = 513,997.87

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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.