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Finding the Fourth Proportional to 354,737.72, 489,548.43 and 193,603.10

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Solution

The fourth proportional to 354,737.72, 489,548.43 and 193,603.10 is: 267,177.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,737.72 : 489,548.43 = 193,603.10 : x
  2. Step 2: Convert to fraction form
    354,737.72/489,548.43 = 193,603.10/x
  3. Step 3: Cross multiply
    354,737.72x = 489,548.43 × 193,603.10
  4. Step 4: Simplify right side
    354,737.72x = 94,778,094,872.00
  5. Step 5: Solve for x
    x = 94,778,094,872.00/354,737.72
  6. Step 6: Final answer
    x = 267,177.94

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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.