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Finding the Fourth Proportional to 294,950.39, 407,066.10 and 167,645.12

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Solution

The fourth proportional to 294,950.39, 407,066.10 and 167,645.12 is: 231,369.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,950.39 : 407,066.10 = 167,645.12 : x
  2. Step 2: Convert to fraction form
    294,950.39/407,066.10 = 167,645.12/x
  3. Step 3: Cross multiply
    294,950.39x = 407,066.10 × 167,645.12
  4. Step 4: Simplify right side
    294,950.39x = 68,242,646,200.10
  5. Step 5: Solve for x
    x = 68,242,646,200.10/294,950.39
  6. Step 6: Final answer
    x = 231,369.91

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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.