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Finding the Fourth Proportional to 352,888.71, 486,989.39 and 191,743.76

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Solution

The fourth proportional to 352,888.71, 486,989.39 and 191,743.76 is: 264,608.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,888.71 : 486,989.39 = 191,743.76 : x
  2. Step 2: Convert to fraction form
    352,888.71/486,989.39 = 191,743.76/x
  3. Step 3: Cross multiply
    352,888.71x = 486,989.39 × 191,743.76
  4. Step 4: Simplify right side
    352,888.71x = 93,377,176,718.71
  5. Step 5: Solve for x
    x = 93,377,176,718.71/352,888.71
  6. Step 6: Final answer
    x = 264,608.00

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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.