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Finding the Fourth Proportional to 354,527.52, 489,249.48 and 193,386.03

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Solution

The fourth proportional to 354,527.52, 489,249.48 and 193,386.03 is: 266,873.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,527.52 : 489,249.48 = 193,386.03 : x
  2. Step 2: Convert to fraction form
    354,527.52/489,249.48 = 193,386.03/x
  3. Step 3: Cross multiply
    354,527.52x = 489,249.48 × 193,386.03
  4. Step 4: Simplify right side
    354,527.52x = 94,614,014,616.76
  5. Step 5: Solve for x
    x = 94,614,014,616.76/354,527.52
  6. Step 6: Final answer
    x = 266,873.54

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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.