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Finding the Fourth Proportional to 354,735.74, 489,545.69 and 193,601.13

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Solution

The fourth proportional to 354,735.74, 489,545.69 and 193,601.13 is: 267,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,735.74 : 489,545.69 = 193,601.13 : x
  2. Step 2: Convert to fraction form
    354,735.74/489,545.69 = 193,601.13/x
  3. Step 3: Cross multiply
    354,735.74x = 489,545.69 × 193,601.13
  4. Step 4: Simplify right side
    354,735.74x = 94,776,597,802.62
  5. Step 5: Solve for x
    x = 94,776,597,802.62/354,735.74
  6. Step 6: Final answer
    x = 267,175.22

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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.