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Finding the Fourth Proportional to 620,751.63, 930,625.18 and 194,067.93

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Solution

The fourth proportional to 620,751.63, 930,625.18 and 194,067.93 is: 290,944.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,751.63 : 930,625.18 = 194,067.93 : x
  2. Step 2: Convert to fraction form
    620,751.63/930,625.18 = 194,067.93/x
  3. Step 3: Cross multiply
    620,751.63x = 930,625.18 × 194,067.93
  4. Step 4: Simplify right side
    620,751.63x = 180,604,502,288.48
  5. Step 5: Solve for x
    x = 180,604,502,288.48/620,751.63
  6. Step 6: Final answer
    x = 290,944.87

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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.