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Finding the Fourth Proportional to 576,284.10, 795,264.89 and 318,163.14

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Solution

The fourth proportional to 576,284.10, 795,264.89 and 318,163.14 is: 439,061.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,284.10 : 795,264.89 = 318,163.14 : x
  2. Step 2: Convert to fraction form
    576,284.10/795,264.89 = 318,163.14/x
  3. Step 3: Cross multiply
    576,284.10x = 795,264.89 × 318,163.14
  4. Step 4: Simplify right side
    576,284.10x = 253,023,974,534.16
  5. Step 5: Solve for x
    x = 253,023,974,534.16/576,284.10
  6. Step 6: Final answer
    x = 439,061.18

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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.