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Finding the Fourth Proportional to 431,043.60, 594,816.78 and 237,413.64

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Solution

The fourth proportional to 431,043.60, 594,816.78 and 237,413.64 is: 327,617.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,043.60 : 594,816.78 = 237,413.64 : x
  2. Step 2: Convert to fraction form
    431,043.60/594,816.78 = 237,413.64/x
  3. Step 3: Cross multiply
    431,043.60x = 594,816.78 × 237,413.64
  4. Step 4: Simplify right side
    431,043.60x = 141,217,616,872.88
  5. Step 5: Solve for x
    x = 141,217,616,872.88/431,043.60
  6. Step 6: Final answer
    x = 327,617.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.