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Finding the Fourth Proportional to 577,140.43, 796,964.43 and 359,720.17

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Solution

The fourth proportional to 577,140.43, 796,964.43 and 359,720.17 is: 496,732.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,140.43 : 796,964.43 = 359,720.17 : x
  2. Step 2: Convert to fraction form
    577,140.43/796,964.43 = 359,720.17/x
  3. Step 3: Cross multiply
    577,140.43x = 796,964.43 × 359,720.17
  4. Step 4: Simplify right side
    577,140.43x = 286,684,180,243.55
  5. Step 5: Solve for x
    x = 286,684,180,243.55/577,140.43
  6. Step 6: Final answer
    x = 496,732.10

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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.