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Finding the Fourth Proportional to 888,920.04, 1,333,325.31 and 547,428.53

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Solution

The fourth proportional to 888,920.04, 1,333,325.31 and 547,428.53 is: 821,109.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,920.04 : 1,333,325.31 = 547,428.53 : x
  2. Step 2: Convert to fraction form
    888,920.04/1,333,325.31 = 547,428.53/x
  3. Step 3: Cross multiply
    888,920.04x = 1,333,325.31 × 547,428.53
  4. Step 4: Simplify right side
    888,920.04x = 729,900,315,745.55
  5. Step 5: Solve for x
    x = 729,900,315,745.55/888,920.04
  6. Step 6: Final answer
    x = 821,109.08

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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.