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Finding the Fourth Proportional to 267,380.19, 401,066.48 and 64,977.78

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Solution

The fourth proportional to 267,380.19, 401,066.48 and 64,977.78 is: 97,465.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,380.19 : 401,066.48 = 64,977.78 : x
  2. Step 2: Convert to fraction form
    267,380.19/401,066.48 = 64,977.78/x
  3. Step 3: Cross multiply
    267,380.19x = 401,066.48 × 64,977.78
  4. Step 4: Simplify right side
    267,380.19x = 26,060,409,502.81
  5. Step 5: Solve for x
    x = 26,060,409,502.81/267,380.19
  6. Step 6: Final answer
    x = 97,465.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.