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Finding the Fourth Proportional to 504,003.20, 756,879.60 and 267,807.20

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Solution

The fourth proportional to 504,003.20, 756,879.60 and 267,807.20 is: 402,175.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,003.20 : 756,879.60 = 267,807.20 : x
  2. Step 2: Convert to fraction form
    504,003.20/756,879.60 = 267,807.20/x
  3. Step 3: Cross multiply
    504,003.20x = 756,879.60 × 267,807.20
  4. Step 4: Simplify right side
    504,003.20x = 202,697,806,413.12
  5. Step 5: Solve for x
    x = 202,697,806,413.12/504,003.20
  6. Step 6: Final answer
    x = 402,175.63

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1.5x scale

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.