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Finding the Fourth Proportional to 570,507.67, 855,896.46 and 186,254.47

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Solution

The fourth proportional to 570,507.67, 855,896.46 and 186,254.47 is: 279,425.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    570,507.67 : 855,896.46 = 186,254.47 : x
  2. Step 2: Convert to fraction form
    570,507.67/855,896.46 = 186,254.47/x
  3. Step 3: Cross multiply
    570,507.67x = 855,896.46 × 186,254.47
  4. Step 4: Simplify right side
    570,507.67x = 159,414,541,532.18
  5. Step 5: Solve for x
    x = 159,414,541,532.18/570,507.67
  6. Step 6: Final answer
    x = 279,425.76

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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.