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Finding the Fourth Proportional to 620,677.05, 929,723.90 and 599,263.89

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Solution

The fourth proportional to 620,677.05, 929,723.90 and 599,263.89 is: 897,648.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,677.05 : 929,723.90 = 599,263.89 : x
  2. Step 2: Convert to fraction form
    620,677.05/929,723.90 = 599,263.89/x
  3. Step 3: Cross multiply
    620,677.05x = 929,723.90 × 599,263.89
  4. Step 4: Simplify right side
    620,677.05x = 557,149,957,943.65
  5. Step 5: Solve for x
    x = 557,149,957,943.65/620,677.05
  6. Step 6: Final answer
    x = 897,648.72

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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.