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Finding the Fourth Proportional to 431,505.06, 595,497.15 and 240,519.84

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Solution

The fourth proportional to 431,505.06, 595,497.15 and 240,519.84 is: 331,928.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,505.06 : 595,497.15 = 240,519.84 : x
  2. Step 2: Convert to fraction form
    431,505.06/595,497.15 = 240,519.84/x
  3. Step 3: Cross multiply
    431,505.06x = 595,497.15 × 240,519.84
  4. Step 4: Simplify right side
    431,505.06x = 143,228,879,238.46
  5. Step 5: Solve for x
    x = 143,228,879,238.46/431,505.06
  6. Step 6: Final answer
    x = 331,928.62

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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.