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Finding the Fourth Proportional to 352,706.16, 486,738 and 191,562.74

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Solution

The fourth proportional to 352,706.16, 486,738 and 191,562.74 is: 264,358.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,706.16 : 486,738 = 191,562.74 : x
  2. Step 2: Convert to fraction form
    352,706.16/486,738 = 191,562.74/x
  3. Step 3: Cross multiply
    352,706.16x = 486,738 × 191,562.74
  4. Step 4: Simplify right side
    352,706.16x = 93,240,864,942.12
  5. Step 5: Solve for x
    x = 93,240,864,942.12/352,706.16
  6. Step 6: Final answer
    x = 264,358.48

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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.