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Finding the Fourth Proportional to 353,262.93, 487,498.22 and 192,114.56

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Solution

The fourth proportional to 353,262.93, 487,498.22 and 192,114.56 is: 265,115.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,262.93 : 487,498.22 = 192,114.56 : x
  2. Step 2: Convert to fraction form
    353,262.93/487,498.22 = 192,114.56/x
  3. Step 3: Cross multiply
    353,262.93x = 487,498.22 × 192,114.56
  4. Step 4: Simplify right side
    353,262.93x = 93,655,502,638.02
  5. Step 5: Solve for x
    x = 93,655,502,638.02/353,262.93
  6. Step 6: Final answer
    x = 265,115.57

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.