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Finding the Fourth Proportional to 352,963.14, 487,093.76 and 191,820.74

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Solution

The fourth proportional to 352,963.14, 487,093.76 and 191,820.74 is: 264,715.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,963.14 : 487,093.76 = 191,820.74 : x
  2. Step 2: Convert to fraction form
    352,963.14/487,093.76 = 191,820.74/x
  3. Step 3: Cross multiply
    352,963.14x = 487,093.76 × 191,820.74
  4. Step 4: Simplify right side
    352,963.14x = 93,434,682,098.01
  5. Step 5: Solve for x
    x = 93,434,682,098.01/352,963.14
  6. Step 6: Final answer
    x = 264,715.13

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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.