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Finding the Fourth Proportional to 354,146.04, 488,715.04 and 193,002.48

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Solution

The fourth proportional to 354,146.04, 488,715.04 and 193,002.48 is: 266,339.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,146.04 : 488,715.04 = 193,002.48 : x
  2. Step 2: Convert to fraction form
    354,146.04/488,715.04 = 193,002.48/x
  3. Step 3: Cross multiply
    354,146.04x = 488,715.04 × 193,002.48
  4. Step 4: Simplify right side
    354,146.04x = 94,323,214,733.30
  5. Step 5: Solve for x
    x = 94,323,214,733.30/354,146.04
  6. Step 6: Final answer
    x = 266,339.88

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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.