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Finding the Fourth Proportional to 431,317.45, 595,218.10 and 250,134.47

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Solution

The fourth proportional to 431,317.45, 595,218.10 and 250,134.47 is: 345,185.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,317.45 : 595,218.10 = 250,134.47 : x
  2. Step 2: Convert to fraction form
    431,317.45/595,218.10 = 250,134.47/x
  3. Step 3: Cross multiply
    431,317.45x = 595,218.10 × 250,134.47
  4. Step 4: Simplify right side
    431,317.45x = 148,884,563,977.91
  5. Step 5: Solve for x
    x = 148,884,563,977.91/431,317.45
  6. Step 6: Final answer
    x = 345,185.58

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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.