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Finding the Fourth Proportional to 431,440.62, 595,391.02 and 240,466.31

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Solution

The fourth proportional to 431,440.62, 595,391.02 and 240,466.31 is: 331,845.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,440.62 : 595,391.02 = 240,466.31 : x
  2. Step 2: Convert to fraction form
    431,440.62/595,391.02 = 240,466.31/x
  3. Step 3: Cross multiply
    431,440.62x = 595,391.02 × 240,466.31
  4. Step 4: Simplify right side
    431,440.62x = 143,171,480,384.21
  5. Step 5: Solve for x
    x = 143,171,480,384.21/431,440.62
  6. Step 6: Final answer
    x = 331,845.16

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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.