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Finding the Fourth Proportional to 352,963.09, 487,092.14 and 191,818.12

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Solution

The fourth proportional to 352,963.09, 487,092.14 and 191,818.12 is: 264,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,963.09 : 487,092.14 = 191,818.12 : x
  2. Step 2: Convert to fraction form
    352,963.09/487,092.14 = 191,818.12/x
  3. Step 3: Cross multiply
    352,963.09x = 487,092.14 × 191,818.12
  4. Step 4: Simplify right side
    352,963.09x = 93,433,098,561.58
  5. Step 5: Solve for x
    x = 93,433,098,561.58/352,963.09
  6. Step 6: Final answer
    x = 264,710.68

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1.5x scale

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.