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Finding the Fourth Proportional to 358,776.08, 495,108.69 and 197,627.39

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Solution

The fourth proportional to 358,776.08, 495,108.69 and 197,627.39 is: 272,724.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,776.08 : 495,108.69 = 197,627.39 : x
  2. Step 2: Convert to fraction form
    358,776.08/495,108.69 = 197,627.39/x
  3. Step 3: Cross multiply
    358,776.08x = 495,108.69 × 197,627.39
  4. Step 4: Simplify right side
    358,776.08x = 97,847,038,171.02
  5. Step 5: Solve for x
    x = 97,847,038,171.02/358,776.08
  6. Step 6: Final answer
    x = 272,724.53

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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.