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Finding the Fourth Proportional to 577,694.16, 796,949.30 and 373,810.90

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Solution

The fourth proportional to 577,694.16, 796,949.30 and 373,810.90 is: 515,685.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,694.16 : 796,949.30 = 373,810.90 : x
  2. Step 2: Convert to fraction form
    577,694.16/796,949.30 = 373,810.90/x
  3. Step 3: Cross multiply
    577,694.16x = 796,949.30 × 373,810.90
  4. Step 4: Simplify right side
    577,694.16x = 297,908,331,225.94
  5. Step 5: Solve for x
    x = 297,908,331,225.94/577,694.16
  6. Step 6: Final answer
    x = 515,685.20

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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.