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Finding the Fourth Proportional to 533,911.36, 800,937.52 and 197,188.72

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Solution

The fourth proportional to 533,911.36, 800,937.52 and 197,188.72 is: 295,809.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,911.36 : 800,937.52 = 197,188.72 : x
  2. Step 2: Convert to fraction form
    533,911.36/800,937.52 = 197,188.72/x
  3. Step 3: Cross multiply
    533,911.36x = 800,937.52 × 197,188.72
  4. Step 4: Simplify right side
    533,911.36x = 157,935,844,368.77
  5. Step 5: Solve for x
    x = 157,935,844,368.77/533,911.36
  6. Step 6: Final answer
    x = 295,809.11

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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.