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Finding the Fourth Proportional to 431,343.40, 595,256.27 and 250,162.77

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Solution

The fourth proportional to 431,343.40, 595,256.27 and 250,162.77 is: 345,225.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,343.40 : 595,256.27 = 250,162.77 : x
  2. Step 2: Convert to fraction form
    431,343.40/595,256.27 = 250,162.77/x
  3. Step 3: Cross multiply
    431,343.40x = 595,256.27 × 250,162.77
  4. Step 4: Simplify right side
    431,343.40x = 148,910,953,135.97
  5. Step 5: Solve for x
    x = 148,910,953,135.97/431,343.40
  6. Step 6: Final answer
    x = 345,225.99

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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.