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Finding the Fourth Proportional to 534,857.49, 738,109.11 and 293,134.86

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Solution

The fourth proportional to 534,857.49, 738,109.11 and 293,134.86 is: 404,529.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,857.49 : 738,109.11 = 293,134.86 : x
  2. Step 2: Convert to fraction form
    534,857.49/738,109.11 = 293,134.86/x
  3. Step 3: Cross multiply
    534,857.49x = 738,109.11 × 293,134.86
  4. Step 4: Simplify right side
    534,857.49x = 216,365,510,624.58
  5. Step 5: Solve for x
    x = 216,365,510,624.58/534,857.49
  6. Step 6: Final answer
    x = 404,529.27

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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.