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Finding the Fourth Proportional to 440,482.87, 660,723.94 and 124,942.51

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Solution

The fourth proportional to 440,482.87, 660,723.94 and 124,942.51 is: 187,413.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,482.87 : 660,723.94 = 124,942.51 : x
  2. Step 2: Convert to fraction form
    440,482.87/660,723.94 = 124,942.51/x
  3. Step 3: Cross multiply
    440,482.87x = 660,723.94 × 124,942.51
  4. Step 4: Simplify right side
    440,482.87x = 82,552,507,480.69
  5. Step 5: Solve for x
    x = 82,552,507,480.69/440,482.87
  6. Step 6: Final answer
    x = 187,413.66

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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.