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Finding the Fourth Proportional to 353,677.82, 530,582.36 and 117,022.54

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Solution

The fourth proportional to 353,677.82, 530,582.36 and 117,022.54 is: 175,555.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,677.82 : 530,582.36 = 117,022.54 : x
  2. Step 2: Convert to fraction form
    353,677.82/530,582.36 = 117,022.54/x
  3. Step 3: Cross multiply
    353,677.82x = 530,582.36 × 117,022.54
  4. Step 4: Simplify right side
    353,677.82x = 62,090,095,446.39
  5. Step 5: Solve for x
    x = 62,090,095,446.39/353,677.82
  6. Step 6: Final answer
    x = 175,555.53

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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.