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Finding the Fourth Proportional to 431,511.06, 595,505.43 and 240,525.84

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Solution

The fourth proportional to 431,511.06, 595,505.43 and 240,525.84 is: 331,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,511.06 : 595,505.43 = 240,525.84 : x
  2. Step 2: Convert to fraction form
    431,511.06/595,505.43 = 240,525.84/x
  3. Step 3: Cross multiply
    431,511.06x = 595,505.43 × 240,525.84
  4. Step 4: Simplify right side
    431,511.06x = 143,234,443,775.31
  5. Step 5: Solve for x
    x = 143,234,443,775.31/431,511.06
  6. Step 6: Final answer
    x = 331,936.90

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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.