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Finding the Fourth Proportional to 354,047.39, 488,579.19 and 192,903.59

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Solution

The fourth proportional to 354,047.39, 488,579.19 and 192,903.59 is: 266,203.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,047.39 : 488,579.19 = 192,903.59 : x
  2. Step 2: Convert to fraction form
    354,047.39/488,579.19 = 192,903.59/x
  3. Step 3: Cross multiply
    354,047.39x = 488,579.19 × 192,903.59
  4. Step 4: Simplify right side
    354,047.39x = 94,248,679,750.29
  5. Step 5: Solve for x
    x = 94,248,679,750.29/354,047.39
  6. Step 6: Final answer
    x = 266,203.57

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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.