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Finding the Fourth Proportional to 358,996.56, 538,594.64 and 156,610.37

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Solution

The fourth proportional to 358,996.56, 538,594.64 and 156,610.37 is: 234,959.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,996.56 : 538,594.64 = 156,610.37 : x
  2. Step 2: Convert to fraction form
    358,996.56/538,594.64 = 156,610.37/x
  3. Step 3: Cross multiply
    358,996.56x = 538,594.64 × 156,610.37
  4. Step 4: Simplify right side
    358,996.56x = 84,349,502,374.39
  5. Step 5: Solve for x
    x = 84,349,502,374.39/358,996.56
  6. Step 6: Final answer
    x = 234,959.08

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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.