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Finding the Fourth Proportional to 356,844, 535,473.36 and 159,852

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Solution

The fourth proportional to 356,844, 535,473.36 and 159,852 is: 239,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,844 : 535,473.36 = 159,852 : x
  2. Step 2: Convert to fraction form
    356,844/535,473.36 = 159,852/x
  3. Step 3: Cross multiply
    356,844x = 535,473.36 × 159,852
  4. Step 4: Simplify right side
    356,844x = 85,596,487,542.72
  5. Step 5: Solve for x
    x = 85,596,487,542.72/356,844
  6. Step 6: Final answer
    x = 239,870.89

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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.