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Finding the Fourth Proportional to 358,845.46, 495,229.05 and 197,700.47

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Solution

The fourth proportional to 358,845.46, 495,229.05 and 197,700.47 is: 272,838.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,845.46 : 495,229.05 = 197,700.47 : x
  2. Step 2: Convert to fraction form
    358,845.46/495,229.05 = 197,700.47/x
  3. Step 3: Cross multiply
    358,845.46x = 495,229.05 × 197,700.47
  4. Step 4: Simplify right side
    358,845.46x = 97,907,015,323.62
  5. Step 5: Solve for x
    x = 97,907,015,323.62/358,845.46
  6. Step 6: Final answer
    x = 272,838.94

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1.5x scale

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.