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Finding the Fourth Proportional to 352,462.17, 486,398.17 and 191,317.20

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Solution

The fourth proportional to 352,462.17, 486,398.17 and 191,317.20 is: 264,017.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,462.17 : 486,398.17 = 191,317.20 : x
  2. Step 2: Convert to fraction form
    352,462.17/486,398.17 = 191,317.20/x
  3. Step 3: Cross multiply
    352,462.17x = 486,398.17 × 191,317.20
  4. Step 4: Simplify right side
    352,462.17x = 93,056,335,969.52
  5. Step 5: Solve for x
    x = 93,056,335,969.52/352,462.17
  6. Step 6: Final answer
    x = 264,017.94

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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.