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Finding the Fourth Proportional to 358,793.08, 495,132.04 and 197,644.48

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Solution

The fourth proportional to 358,793.08, 495,132.04 and 197,644.48 is: 272,748.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,793.08 : 495,132.04 = 197,644.48 : x
  2. Step 2: Convert to fraction form
    358,793.08/495,132.04 = 197,644.48/x
  3. Step 3: Cross multiply
    358,793.08x = 495,132.04 × 197,644.48
  4. Step 4: Simplify right side
    358,793.08x = 97,860,114,577.14
  5. Step 5: Solve for x
    x = 97,860,114,577.14/358,793.08
  6. Step 6: Final answer
    x = 272,748.05

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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.