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Finding the Fourth Proportional to 431,480.22, 595,445.46 and 240,505.71

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Solution

The fourth proportional to 431,480.22, 595,445.46 and 240,505.71 is: 331,899.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,480.22 : 595,445.46 = 240,505.71 : x
  2. Step 2: Convert to fraction form
    431,480.22/595,445.46 = 240,505.71/x
  3. Step 3: Cross multiply
    431,480.22x = 595,445.46 × 240,505.71
  4. Step 4: Simplify right side
    431,480.22x = 143,208,033,123.58
  5. Step 5: Solve for x
    x = 143,208,033,123.58/431,480.22
  6. Step 6: Final answer
    x = 331,899.42

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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.