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Finding the Fourth Proportional to 291,551.08, 402,341.22 and 169,067.20

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Solution

The fourth proportional to 291,551.08, 402,341.22 and 169,067.20 is: 233,313.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,551.08 : 402,341.22 = 169,067.20 : x
  2. Step 2: Convert to fraction form
    291,551.08/402,341.22 = 169,067.20/x
  3. Step 3: Cross multiply
    291,551.08x = 402,341.22 × 169,067.20
  4. Step 4: Simplify right side
    291,551.08x = 68,022,703,509.98
  5. Step 5: Solve for x
    x = 68,022,703,509.98/291,551.08
  6. Step 6: Final answer
    x = 233,313.16

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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.