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Finding the Fourth Proportional to 613,106.01, 919,697.90 and 192,398.49

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Solution

The fourth proportional to 613,106.01, 919,697.90 and 192,398.49 is: 288,609.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,106.01 : 919,697.90 = 192,398.49 : x
  2. Step 2: Convert to fraction form
    613,106.01/919,697.90 = 192,398.49/x
  3. Step 3: Cross multiply
    613,106.01x = 919,697.90 × 192,398.49
  4. Step 4: Simplify right side
    613,106.01x = 176,948,486,254.18
  5. Step 5: Solve for x
    x = 176,948,486,254.18/613,106.01
  6. Step 6: Final answer
    x = 288,609.94

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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.