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Finding the Fourth Proportional to 264,407.40, 364,882.46 and 143,548.61

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Solution

The fourth proportional to 264,407.40, 364,882.46 and 143,548.61 is: 198,097.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,407.40 : 364,882.46 = 143,548.61 : x
  2. Step 2: Convert to fraction form
    264,407.40/364,882.46 = 143,548.61/x
  3. Step 3: Cross multiply
    264,407.40x = 364,882.46 × 143,548.61
  4. Step 4: Simplify right side
    264,407.40x = 52,378,367,404.23
  5. Step 5: Solve for x
    x = 52,378,367,404.23/264,407.40
  6. Step 6: Final answer
    x = 198,097.21

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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.