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Finding the Fourth Proportional to 597,655.05, 896,149.66 and 198,078

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Solution

The fourth proportional to 597,655.05, 896,149.66 and 198,078 is: 297,006.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    597,655.05 : 896,149.66 = 198,078 : x
  2. Step 2: Convert to fraction form
    597,655.05/896,149.66 = 198,078/x
  3. Step 3: Cross multiply
    597,655.05x = 896,149.66 × 198,078
  4. Step 4: Simplify right side
    597,655.05x = 177,507,532,353.48
  5. Step 5: Solve for x
    x = 177,507,532,353.48/597,655.05
  6. Step 6: Final answer
    x = 297,006.66

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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.