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Finding the Fourth Proportional to 288,192.76, 397,790.48 and 167,388.36

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Solution

The fourth proportional to 288,192.76, 397,790.48 and 167,388.36 is: 231,045.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,192.76 : 397,790.48 = 167,388.36 : x
  2. Step 2: Convert to fraction form
    288,192.76/397,790.48 = 167,388.36/x
  3. Step 3: Cross multiply
    288,192.76x = 397,790.48 × 167,388.36
  4. Step 4: Simplify right side
    288,192.76x = 66,585,496,070.81
  5. Step 5: Solve for x
    x = 66,585,496,070.81/288,192.76
  6. Step 6: Final answer
    x = 231,045.00

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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.