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Finding the Fourth Proportional to 627,967.20, 941,950.80 and 572,854.80

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Solution

The fourth proportional to 627,967.20, 941,950.80 and 572,854.80 is: 859,282.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,967.20 : 941,950.80 = 572,854.80 : x
  2. Step 2: Convert to fraction form
    627,967.20/941,950.80 = 572,854.80/x
  3. Step 3: Cross multiply
    627,967.20x = 941,950.80 × 572,854.80
  4. Step 4: Simplify right side
    627,967.20x = 539,601,037,143.84
  5. Step 5: Solve for x
    x = 539,601,037,143.84/627,967.20
  6. Step 6: Final answer
    x = 859,282.20

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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.