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Finding the Fourth Proportional to 262,039.72, 361,502.76 and 171,238.08

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Solution

The fourth proportional to 262,039.72, 361,502.76 and 171,238.08 is: 236,235.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,039.72 : 361,502.76 = 171,238.08 : x
  2. Step 2: Convert to fraction form
    262,039.72/361,502.76 = 171,238.08/x
  3. Step 3: Cross multiply
    262,039.72x = 361,502.76 × 171,238.08
  4. Step 4: Simplify right side
    262,039.72x = 61,903,038,537.10
  5. Step 5: Solve for x
    x = 61,903,038,537.10/262,039.72
  6. Step 6: Final answer
    x = 236,235.33

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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.