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Finding the Fourth Proportional to 431,509.56, 595,503.36 and 240,524.34

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Solution

The fourth proportional to 431,509.56, 595,503.36 and 240,524.34 is: 331,934.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,509.56 : 595,503.36 = 240,524.34 : x
  2. Step 2: Convert to fraction form
    431,509.56/595,503.36 = 240,524.34/x
  3. Step 3: Cross multiply
    431,509.56x = 595,503.36 × 240,524.34
  4. Step 4: Simplify right side
    431,509.56x = 143,233,052,631.78
  5. Step 5: Solve for x
    x = 143,233,052,631.78/431,509.56
  6. Step 6: Final answer
    x = 331,934.83

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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.