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Finding the Fourth Proportional to 431,366, 595,215.06 and 250,042.54

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Solution

The fourth proportional to 431,366, 595,215.06 and 250,042.54 is: 345,018.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,366 : 595,215.06 = 250,042.54 : x
  2. Step 2: Convert to fraction form
    431,366/595,215.06 = 250,042.54/x
  3. Step 3: Cross multiply
    431,366x = 595,215.06 × 250,042.54
  4. Step 4: Simplify right side
    431,366x = 148,829,085,448.65
  5. Step 5: Solve for x
    x = 148,829,085,448.65/431,366
  6. Step 6: Final answer
    x = 345,018.12

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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.