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Finding the Fourth Proportional to 377,782.59, 566,715.40 and 188,290.66

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Solution

The fourth proportional to 377,782.59, 566,715.40 and 188,290.66 is: 282,456.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,782.59 : 566,715.40 = 188,290.66 : x
  2. Step 2: Convert to fraction form
    377,782.59/566,715.40 = 188,290.66/x
  3. Step 3: Cross multiply
    377,782.59x = 566,715.40 × 188,290.66
  4. Step 4: Simplify right side
    377,782.59x = 106,707,215,516.74
  5. Step 5: Solve for x
    x = 106,707,215,516.74/377,782.59
  6. Step 6: Final answer
    x = 282,456.68

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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.