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Finding the Fourth Proportional to 356,451.89, 534,564.77 and 116,511.53

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Solution

The fourth proportional to 356,451.89, 534,564.77 and 116,511.53 is: 174,730.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,451.89 : 534,564.77 = 116,511.53 : x
  2. Step 2: Convert to fraction form
    356,451.89/534,564.77 = 116,511.53/x
  3. Step 3: Cross multiply
    356,451.89x = 534,564.77 × 116,511.53
  4. Step 4: Simplify right side
    356,451.89x = 62,282,955,981.42
  5. Step 5: Solve for x
    x = 62,282,955,981.42/356,451.89
  6. Step 6: Final answer
    x = 174,730.33

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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.