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Finding the Fourth Proportional to 627,327.80, 940,462.71 and 272,074.25

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Solution

The fourth proportional to 627,327.80, 940,462.71 and 272,074.25 is: 407,881.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,327.80 : 940,462.71 = 272,074.25 : x
  2. Step 2: Convert to fraction form
    627,327.80/940,462.71 = 272,074.25/x
  3. Step 3: Cross multiply
    627,327.80x = 940,462.71 × 272,074.25
  4. Step 4: Simplify right side
    627,327.80x = 255,875,686,476.22
  5. Step 5: Solve for x
    x = 255,875,686,476.22/627,327.80
  6. Step 6: Final answer
    x = 407,881.95

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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.