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Finding the Fourth Proportional to 354,597.93, 489,335.43 and 193,452.93

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Solution

The fourth proportional to 354,597.93, 489,335.43 and 193,452.93 is: 266,959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,597.93 : 489,335.43 = 193,452.93 : x
  2. Step 2: Convert to fraction form
    354,597.93/489,335.43 = 193,452.93/x
  3. Step 3: Cross multiply
    354,597.93x = 489,335.43 × 193,452.93
  4. Step 4: Simplify right side
    354,597.93x = 94,663,372,686.31
  5. Step 5: Solve for x
    x = 94,663,372,686.31/354,597.93
  6. Step 6: Final answer
    x = 266,959.74

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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.