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Finding the Fourth Proportional to 354,060.02, 488,596.65 and 192,916.40

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Solution

The fourth proportional to 354,060.02, 488,596.65 and 192,916.40 is: 266,221.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,060.02 : 488,596.65 = 192,916.40 : x
  2. Step 2: Convert to fraction form
    354,060.02/488,596.65 = 192,916.40/x
  3. Step 3: Cross multiply
    354,060.02x = 488,596.65 × 192,916.40
  4. Step 4: Simplify right side
    354,060.02x = 94,258,304,327.08
  5. Step 5: Solve for x
    x = 94,258,304,327.08/354,060.02
  6. Step 6: Final answer
    x = 266,221.26

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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.