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Finding the Fourth Proportional to 352,373.31, 486,275.49 and 191,228.39

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Solution

The fourth proportional to 352,373.31, 486,275.49 and 191,228.39 is: 263,895.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,373.31 : 486,275.49 = 191,228.39 : x
  2. Step 2: Convert to fraction form
    352,373.31/486,275.49 = 191,228.39/x
  3. Step 3: Cross multiply
    352,373.31x = 486,275.49 × 191,228.39
  4. Step 4: Simplify right side
    352,373.31x = 92,989,676,617.78
  5. Step 5: Solve for x
    x = 92,989,676,617.78/352,373.31
  6. Step 6: Final answer
    x = 263,895.35

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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.