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Finding the Fourth Proportional to 622,572.80, 933,974.40 and 201,862.40

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Solution

The fourth proportional to 622,572.80, 933,974.40 and 201,862.40 is: 302,830.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,572.80 : 933,974.40 = 201,862.40 : x
  2. Step 2: Convert to fraction form
    622,572.80/933,974.40 = 201,862.40/x
  3. Step 3: Cross multiply
    622,572.80x = 933,974.40 × 201,862.40
  4. Step 4: Simplify right side
    622,572.80x = 188,534,313,922.56
  5. Step 5: Solve for x
    x = 188,534,313,922.56/622,572.80
  6. Step 6: Final answer
    x = 302,830.95

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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.