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Finding the Fourth Proportional to 577,178.39, 796,312.00 and 373,487.02

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Solution

The fourth proportional to 577,178.39, 796,312.00 and 373,487.02 is: 515,286.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,178.39 : 796,312.00 = 373,487.02 : x
  2. Step 2: Convert to fraction form
    577,178.39/796,312.00 = 373,487.02/x
  3. Step 3: Cross multiply
    577,178.39x = 796,312.00 × 373,487.02
  4. Step 4: Simplify right side
    577,178.39x = 297,412,194,002.81
  5. Step 5: Solve for x
    x = 297,412,194,002.81/577,178.39
  6. Step 6: Final answer
    x = 515,286.43

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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.