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Finding the Fourth Proportional to 431,634.88, 595,699.68 and 250,402.24

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Solution

The fourth proportional to 431,634.88, 595,699.68 and 250,402.24 is: 345,580.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,634.88 : 595,699.68 = 250,402.24 : x
  2. Step 2: Convert to fraction form
    431,634.88/595,699.68 = 250,402.24/x
  3. Step 3: Cross multiply
    431,634.88x = 595,699.68 × 250,402.24
  4. Step 4: Simplify right side
    431,634.88x = 149,164,534,239.28
  5. Step 5: Solve for x
    x = 149,164,534,239.28/431,634.88
  6. Step 6: Final answer
    x = 345,580.35

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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.