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Finding the Fourth Proportional to 431,253.80, 594,726.60 and 340,825.81

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Solution

The fourth proportional to 431,253.80, 594,726.60 and 340,825.81 is: 470,020.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,253.80 : 594,726.60 = 340,825.81 : x
  2. Step 2: Convert to fraction form
    431,253.80/594,726.60 = 340,825.81/x
  3. Step 3: Cross multiply
    431,253.80x = 594,726.60 × 340,825.81
  4. Step 4: Simplify right side
    431,253.80x = 202,698,175,173.55
  5. Step 5: Solve for x
    x = 202,698,175,173.55/431,253.80
  6. Step 6: Final answer
    x = 470,020.61

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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.