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Finding the Fourth Proportional to 431,633.88, 595,698.30 and 250,401.24

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Solution

The fourth proportional to 431,633.88, 595,698.30 and 250,401.24 is: 345,578.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,633.88 : 595,698.30 = 250,401.24 : x
  2. Step 2: Convert to fraction form
    431,633.88/595,698.30 = 250,401.24/x
  3. Step 3: Cross multiply
    431,633.88x = 595,698.30 × 250,401.24
  4. Step 4: Simplify right side
    431,633.88x = 149,163,592,985.89
  5. Step 5: Solve for x
    x = 149,163,592,985.89/431,633.88
  6. Step 6: Final answer
    x = 345,578.97

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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.