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Finding the Fourth Proportional to 610,698.55, 916,037.02 and 250,791.43

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Solution

The fourth proportional to 610,698.55, 916,037.02 and 250,791.43 is: 376,182.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,698.55 : 916,037.02 = 250,791.43 : x
  2. Step 2: Convert to fraction form
    610,698.55/916,037.02 = 250,791.43/x
  3. Step 3: Cross multiply
    610,698.55x = 916,037.02 × 250,791.43
  4. Step 4: Simplify right side
    610,698.55x = 229,734,234,178.74
  5. Step 5: Solve for x
    x = 229,734,234,178.74/610,698.55
  6. Step 6: Final answer
    x = 376,182.71

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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.