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Finding the Fourth Proportional to 395,358.84, 593,033.40 and 158,697.36

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Solution

The fourth proportional to 395,358.84, 593,033.40 and 158,697.36 is: 238,044.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,358.84 : 593,033.40 = 158,697.36 : x
  2. Step 2: Convert to fraction form
    395,358.84/593,033.40 = 158,697.36/x
  3. Step 3: Cross multiply
    395,358.84x = 593,033.40 × 158,697.36
  4. Step 4: Simplify right side
    395,358.84x = 94,112,834,971.82
  5. Step 5: Solve for x
    x = 94,112,834,971.82/395,358.84
  6. Step 6: Final answer
    x = 238,044.09

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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.