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Finding the Fourth Proportional to 571,034.68, 856,485.78 and 150,343.36

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Solution

The fourth proportional to 571,034.68, 856,485.78 and 150,343.36 is: 225,497.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,034.68 : 856,485.78 = 150,343.36 : x
  2. Step 2: Convert to fraction form
    571,034.68/856,485.78 = 150,343.36/x
  3. Step 3: Cross multiply
    571,034.68x = 856,485.78 × 150,343.36
  4. Step 4: Simplify right side
    571,034.68x = 128,766,949,957.42
  5. Step 5: Solve for x
    x = 128,766,949,957.42/571,034.68
  6. Step 6: Final answer
    x = 225,497.60

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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.