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Finding the Fourth Proportional to 431,155.79, 594,995.55 and 234,921.23

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Solution

The fourth proportional to 431,155.79, 594,995.55 and 234,921.23 is: 324,191.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,155.79 : 594,995.55 = 234,921.23 : x
  2. Step 2: Convert to fraction form
    431,155.79/594,995.55 = 234,921.23/x
  3. Step 3: Cross multiply
    431,155.79x = 594,995.55 × 234,921.23
  4. Step 4: Simplify right side
    431,155.79x = 139,777,086,450.53
  5. Step 5: Solve for x
    x = 139,777,086,450.53/431,155.79
  6. Step 6: Final answer
    x = 324,191.60

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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.