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Finding the Fourth Proportional to 354,677.59, 489,466.89 and 193,541.48

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Solution

The fourth proportional to 354,677.59, 489,466.89 and 193,541.48 is: 267,093.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,677.59 : 489,466.89 = 193,541.48 : x
  2. Step 2: Convert to fraction form
    354,677.59/489,466.89 = 193,541.48/x
  3. Step 3: Cross multiply
    354,677.59x = 489,466.89 × 193,541.48
  4. Step 4: Simplify right side
    354,677.59x = 94,732,145,689.76
  5. Step 5: Solve for x
    x = 94,732,145,689.76/354,677.59
  6. Step 6: Final answer
    x = 267,093.69

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1.5x scale

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.