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Finding the Fourth Proportional to 352,296.50, 486,167.54 and 191,151.15

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Solution

The fourth proportional to 352,296.50, 486,167.54 and 191,151.15 is: 263,787.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,296.50 : 486,167.54 = 191,151.15 : x
  2. Step 2: Convert to fraction form
    352,296.50/486,167.54 = 191,151.15/x
  3. Step 3: Cross multiply
    352,296.50x = 486,167.54 × 191,151.15
  4. Step 4: Simplify right side
    352,296.50x = 92,931,484,363.67
  5. Step 5: Solve for x
    x = 92,931,484,363.67/352,296.50
  6. Step 6: Final answer
    x = 263,787.70

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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.