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Finding the Fourth Proportional to 431,442.62, 595,393.78 and 240,468.32

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Solution

The fourth proportional to 431,442.62, 595,393.78 and 240,468.32 is: 331,847.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,442.62 : 595,393.78 = 240,468.32 : x
  2. Step 2: Convert to fraction form
    431,442.62/595,393.78 = 240,468.32/x
  3. Step 3: Cross multiply
    431,442.62x = 595,393.78 × 240,468.32
  4. Step 4: Simplify right side
    431,442.62x = 143,173,342,015.05
  5. Step 5: Solve for x
    x = 143,173,342,015.05/431,442.62
  6. Step 6: Final answer
    x = 331,847.93

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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.