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Finding the Fourth Proportional to 433,882.73, 649,702.65 and 299,361.58

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Solution

The fourth proportional to 433,882.73, 649,702.65 and 299,361.58 is: 448,268.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,882.73 : 649,702.65 = 299,361.58 : x
  2. Step 2: Convert to fraction form
    433,882.73/649,702.65 = 299,361.58/x
  3. Step 3: Cross multiply
    433,882.73x = 649,702.65 × 299,361.58
  4. Step 4: Simplify right side
    433,882.73x = 194,496,008,585.67
  5. Step 5: Solve for x
    x = 194,496,008,585.67/433,882.73
  6. Step 6: Final answer
    x = 448,268.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.