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Finding the Fourth Proportional to 431,279.29, 594,584.71 and 302,043.79

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Solution

The fourth proportional to 431,279.29, 594,584.71 and 302,043.79 is: 416,413.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,279.29 : 594,584.71 = 302,043.79 : x
  2. Step 2: Convert to fraction form
    431,279.29/594,584.71 = 302,043.79/x
  3. Step 3: Cross multiply
    431,279.29x = 594,584.71 × 302,043.79
  4. Step 4: Simplify right side
    431,279.29x = 179,590,619,284.45
  5. Step 5: Solve for x
    x = 179,590,619,284.45/431,279.29
  6. Step 6: Final answer
    x = 416,413.73

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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.