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Finding the Fourth Proportional to 363,651.85, 545,291 and 195,313.87

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Solution

The fourth proportional to 363,651.85, 545,291 and 195,313.87 is: 292,870.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,651.85 : 545,291 = 195,313.87 : x
  2. Step 2: Convert to fraction form
    363,651.85/545,291 = 195,313.87/x
  3. Step 3: Cross multiply
    363,651.85x = 545,291 × 195,313.87
  4. Step 4: Simplify right side
    363,651.85x = 106,502,895,486.17
  5. Step 5: Solve for x
    x = 106,502,895,486.17/363,651.85
  6. Step 6: Final answer
    x = 292,870.49

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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.