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Finding the Fourth Proportional to 508,677.71, 701,949.05 and 301,954.77

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Solution

The fourth proportional to 508,677.71, 701,949.05 and 301,954.77 is: 416,682.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,677.71 : 701,949.05 = 301,954.77 : x
  2. Step 2: Convert to fraction form
    508,677.71/701,949.05 = 301,954.77/x
  3. Step 3: Cross multiply
    508,677.71x = 701,949.05 × 301,954.77
  4. Step 4: Simplify right side
    508,677.71x = 211,956,863,944.47
  5. Step 5: Solve for x
    x = 211,956,863,944.47/508,677.71
  6. Step 6: Final answer
    x = 416,682.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.