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Finding the Fourth Proportional to 538,894.12, 808,613.70 and 359,101.96

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Solution

The fourth proportional to 538,894.12, 808,613.70 and 359,101.96 is: 538,834.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,894.12 : 808,613.70 = 359,101.96 : x
  2. Step 2: Convert to fraction form
    538,894.12/808,613.70 = 359,101.96/x
  3. Step 3: Cross multiply
    538,894.12x = 808,613.70 × 359,101.96
  4. Step 4: Simplify right side
    538,894.12x = 290,374,764,552.85
  5. Step 5: Solve for x
    x = 290,374,764,552.85/538,894.12
  6. Step 6: Final answer
    x = 538,834.54

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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.