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Finding the Fourth Proportional to 354,060.08, 488,596.55 and 192,916.25

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Solution

The fourth proportional to 354,060.08, 488,596.55 and 192,916.25 is: 266,220.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,060.08 : 488,596.55 = 192,916.25 : x
  2. Step 2: Convert to fraction form
    354,060.08/488,596.55 = 192,916.25/x
  3. Step 3: Cross multiply
    354,060.08x = 488,596.55 × 192,916.25
  4. Step 4: Simplify right side
    354,060.08x = 94,258,210,781.37
  5. Step 5: Solve for x
    x = 94,258,210,781.37/354,060.08
  6. Step 6: Final answer
    x = 266,220.95

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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.