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Finding the Fourth Proportional to 440,930.79, 608,594.72 and 271,066.50

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Solution

The fourth proportional to 440,930.79, 608,594.72 and 271,066.50 is: 374,139.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,930.79 : 608,594.72 = 271,066.50 : x
  2. Step 2: Convert to fraction form
    440,930.79/608,594.72 = 271,066.50/x
  3. Step 3: Cross multiply
    440,930.79x = 608,594.72 × 271,066.50
  4. Step 4: Simplify right side
    440,930.79x = 164,969,639,313.55
  5. Step 5: Solve for x
    x = 164,969,639,313.55/440,930.79
  6. Step 6: Final answer
    x = 374,139.53

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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.