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Finding the Fourth Proportional to 294,950.77, 407,066.63 and 167,645.50

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Solution

The fourth proportional to 294,950.77, 407,066.63 and 167,645.50 is: 231,370.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,950.77 : 407,066.63 = 167,645.50 : x
  2. Step 2: Convert to fraction form
    294,950.77/407,066.63 = 167,645.50/x
  3. Step 3: Cross multiply
    294,950.77x = 407,066.63 × 167,645.50
  4. Step 4: Simplify right side
    294,950.77x = 68,242,886,863.77
  5. Step 5: Solve for x
    x = 68,242,886,863.77/294,950.77
  6. Step 6: Final answer
    x = 231,370.43

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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.