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Finding the Fourth Proportional to 352,043.82, 486,086.67 and 216,263.93

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Solution

The fourth proportional to 352,043.82, 486,086.67 and 216,263.93 is: 298,607.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,043.82 : 486,086.67 = 216,263.93 : x
  2. Step 2: Convert to fraction form
    352,043.82/486,086.67 = 216,263.93/x
  3. Step 3: Cross multiply
    352,043.82x = 486,086.67 × 216,263.93
  4. Step 4: Simplify right side
    352,043.82x = 105,123,011,144.38
  5. Step 5: Solve for x
    x = 105,123,011,144.38/352,043.82
  6. Step 6: Final answer
    x = 298,607.74

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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.