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Finding the Fourth Proportional to 362,053.60, 543,145.20 and 151,712.80

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Solution

The fourth proportional to 362,053.60, 543,145.20 and 151,712.80 is: 227,596.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,053.60 : 543,145.20 = 151,712.80 : x
  2. Step 2: Convert to fraction form
    362,053.60/543,145.20 = 151,712.80/x
  3. Step 3: Cross multiply
    362,053.60x = 543,145.20 × 151,712.80
  4. Step 4: Simplify right side
    362,053.60x = 82,402,079,098.56
  5. Step 5: Solve for x
    x = 82,402,079,098.56/362,053.60
  6. Step 6: Final answer
    x = 227,596.35

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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.