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Finding the Fourth Proportional to 377,744.80, 566,617.20 and 355,583.20

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Solution

The fourth proportional to 377,744.80, 566,617.20 and 355,583.20 is: 533,374.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,744.80 : 566,617.20 = 355,583.20 : x
  2. Step 2: Convert to fraction form
    377,744.80/566,617.20 = 355,583.20/x
  3. Step 3: Cross multiply
    377,744.80x = 566,617.20 × 355,583.20
  4. Step 4: Simplify right side
    377,744.80x = 201,479,557,151.04
  5. Step 5: Solve for x
    x = 201,479,557,151.04/377,744.80
  6. Step 6: Final answer
    x = 533,374.80

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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.