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Finding the Fourth Proportional to 654,510.60, 981,762.30 and 181,192.68

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Solution

The fourth proportional to 654,510.60, 981,762.30 and 181,192.68 is: 271,788.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,510.60 : 981,762.30 = 181,192.68 : x
  2. Step 2: Convert to fraction form
    654,510.60/981,762.30 = 181,192.68/x
  3. Step 3: Cross multiply
    654,510.60x = 981,762.30 × 181,192.68
  4. Step 4: Simplify right side
    654,510.60x = 177,888,142,259.96
  5. Step 5: Solve for x
    x = 177,888,142,259.96/654,510.60
  6. Step 6: Final answer
    x = 271,788.02

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.