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Finding the Fourth Proportional to 674,393.47, 930,651.99 and 368,463.27

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Solution

The fourth proportional to 674,393.47, 930,651.99 and 368,463.27 is: 508,473.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,393.47 : 930,651.99 = 368,463.27 : x
  2. Step 2: Convert to fraction form
    674,393.47/930,651.99 = 368,463.27/x
  3. Step 3: Cross multiply
    674,393.47x = 930,651.99 × 368,463.27
  4. Step 4: Simplify right side
    674,393.47x = 342,911,075,467.41
  5. Step 5: Solve for x
    x = 342,911,075,467.41/674,393.47
  6. Step 6: Final answer
    x = 508,473.30

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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.