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Finding the Fourth Proportional to 431,544.55, 595,509.68 and 240,521.03

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Solution

The fourth proportional to 431,544.55, 595,509.68 and 240,521.03 is: 331,906.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,544.55 : 595,509.68 = 240,521.03 : x
  2. Step 2: Convert to fraction form
    431,544.55/595,509.68 = 240,521.03/x
  3. Step 3: Cross multiply
    431,544.55x = 595,509.68 × 240,521.03
  4. Step 4: Simplify right side
    431,544.55x = 143,232,600,405.97
  5. Step 5: Solve for x
    x = 143,232,600,405.97/431,544.55
  6. Step 6: Final answer
    x = 331,906.87

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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.