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Finding the Fourth Proportional to 903,178.44, 1,356,885 and 852,109.56

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Solution

The fourth proportional to 903,178.44, 1,356,885 and 852,109.56 is: 1,280,161.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,178.44 : 1,356,885 = 852,109.56 : x
  2. Step 2: Convert to fraction form
    903,178.44/1,356,885 = 852,109.56/x
  3. Step 3: Cross multiply
    903,178.44x = 1,356,885 × 852,109.56
  4. Step 4: Simplify right side
    903,178.44x = 1,156,214,680,320.60
  5. Step 5: Solve for x
    x = 1,156,214,680,320.60/903,178.44
  6. Step 6: Final answer
    x = 1,280,161.96

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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.