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Finding the Fourth Proportional to 622,604.60, 933,323.70 and 487,593.80

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Solution

The fourth proportional to 622,604.60, 933,323.70 and 487,593.80 is: 730,933.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,604.60 : 933,323.70 = 487,593.80 : x
  2. Step 2: Convert to fraction form
    622,604.60/933,323.70 = 487,593.80/x
  3. Step 3: Cross multiply
    622,604.60x = 933,323.70 × 487,593.80
  4. Step 4: Simplify right side
    622,604.60x = 455,082,849,513.06
  5. Step 5: Solve for x
    x = 455,082,849,513.06/622,604.60
  6. Step 6: Final answer
    x = 730,933.97

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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.