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Finding the Fourth Proportional to 627,652.95, 941,568.10 and 201,089.00

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Solution

The fourth proportional to 627,652.95, 941,568.10 and 201,089.00 is: 301,661.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,652.95 : 941,568.10 = 201,089.00 : x
  2. Step 2: Convert to fraction form
    627,652.95/941,568.10 = 201,089.00/x
  3. Step 3: Cross multiply
    627,652.95x = 941,568.10 × 201,089.00
  4. Step 4: Simplify right side
    627,652.95x = 189,338,985,306.98
  5. Step 5: Solve for x
    x = 189,338,985,306.98/627,652.95
  6. Step 6: Final answer
    x = 301,661.90

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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.