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Finding the Fourth Proportional to 533,117.80, 801,426.30 and 376,431.40

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Solution

The fourth proportional to 533,117.80, 801,426.30 and 376,431.40 is: 565,882.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,117.80 : 801,426.30 = 376,431.40 : x
  2. Step 2: Convert to fraction form
    533,117.80/801,426.30 = 376,431.40/x
  3. Step 3: Cross multiply
    533,117.80x = 801,426.30 × 376,431.40
  4. Step 4: Simplify right side
    533,117.80x = 301,682,024,105.82
  5. Step 5: Solve for x
    x = 301,682,024,105.82/533,117.80
  6. Step 6: Final answer
    x = 565,882.48

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