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Finding the Fourth Proportional to 849,964.80, 1,274,356.80 and 376,392

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Solution

The fourth proportional to 849,964.80, 1,274,356.80 and 376,392 is: 564,326.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,964.80 : 1,274,356.80 = 376,392 : x
  2. Step 2: Convert to fraction form
    849,964.80/1,274,356.80 = 376,392/x
  3. Step 3: Cross multiply
    849,964.80x = 1,274,356.80 × 376,392
  4. Step 4: Simplify right side
    849,964.80x = 479,657,704,665.60
  5. Step 5: Solve for x
    x = 479,657,704,665.60/849,964.80
  6. Step 6: Final answer
    x = 564,326.55

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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.