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Finding the Fourth Proportional to 604,517.80, 907,475.10 and 324,581.80

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Solution

The fourth proportional to 604,517.80, 907,475.10 and 324,581.80 is: 487,247.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,517.80 : 907,475.10 = 324,581.80 : x
  2. Step 2: Convert to fraction form
    604,517.80/907,475.10 = 324,581.80/x
  3. Step 3: Cross multiply
    604,517.80x = 907,475.10 × 324,581.80
  4. Step 4: Simplify right side
    604,517.80x = 294,549,901,413.18
  5. Step 5: Solve for x
    x = 294,549,901,413.18/604,517.80
  6. Step 6: Final answer
    x = 487,247.69

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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.