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Finding the Fourth Proportional to 267,792.40, 401,688.19 and 109,909.63

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Solution

The fourth proportional to 267,792.40, 401,688.19 and 109,909.63 is: 164,864.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,792.40 : 401,688.19 = 109,909.63 : x
  2. Step 2: Convert to fraction form
    267,792.40/401,688.19 = 109,909.63/x
  3. Step 3: Cross multiply
    267,792.40x = 401,688.19 × 109,909.63
  4. Step 4: Simplify right side
    267,792.40x = 44,149,400,338.27
  5. Step 5: Solve for x
    x = 44,149,400,338.27/267,792.40
  6. Step 6: Final answer
    x = 164,864.28

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1.5x scale

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.