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Finding the Fourth Proportional to 528,044.32, 792,149.10 and 191,049.49

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Solution

The fourth proportional to 528,044.32, 792,149.10 and 191,049.49 is: 286,604.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,044.32 : 792,149.10 = 191,049.49 : x
  2. Step 2: Convert to fraction form
    528,044.32/792,149.10 = 191,049.49/x
  3. Step 3: Cross multiply
    528,044.32x = 792,149.10 × 191,049.49
  4. Step 4: Simplify right side
    528,044.32x = 151,339,681,558.96
  5. Step 5: Solve for x
    x = 151,339,681,558.96/528,044.32
  6. Step 6: Final answer
    x = 286,604.13

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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.