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Finding the Fourth Proportional to 352,886.71, 486,986.63 and 191,741.76

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Solution

The fourth proportional to 352,886.71, 486,986.63 and 191,741.76 is: 264,605.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,886.71 : 486,986.63 = 191,741.76 : x
  2. Step 2: Convert to fraction form
    352,886.71/486,986.63 = 191,741.76/x
  3. Step 3: Cross multiply
    352,886.71x = 486,986.63 × 191,741.76
  4. Step 4: Simplify right side
    352,886.71x = 93,375,673,532.67
  5. Step 5: Solve for x
    x = 93,375,673,532.67/352,886.71
  6. Step 6: Final answer
    x = 264,605.24

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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.