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Finding the Fourth Proportional to 469,697.79, 704,240.51 and 199,685.91

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Solution

The fourth proportional to 469,697.79, 704,240.51 and 199,685.91 is: 299,398.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,697.79 : 704,240.51 = 199,685.91 : x
  2. Step 2: Convert to fraction form
    469,697.79/704,240.51 = 199,685.91/x
  3. Step 3: Cross multiply
    469,697.79x = 704,240.51 × 199,685.91
  4. Step 4: Simplify right side
    469,697.79x = 140,626,906,099.79
  5. Step 5: Solve for x
    x = 140,626,906,099.79/469,697.79
  6. Step 6: Final answer
    x = 299,398.70

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Why These Related Problems?

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