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Finding the Fourth Proportional to 358,698.06, 495,025.71 and 197,553.07

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Solution

The fourth proportional to 358,698.06, 495,025.71 and 197,553.07 is: 272,635.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,698.06 : 495,025.71 = 197,553.07 : x
  2. Step 2: Convert to fraction form
    358,698.06/495,025.71 = 197,553.07/x
  3. Step 3: Cross multiply
    358,698.06x = 495,025.71 × 197,553.07
  4. Step 4: Simplify right side
    358,698.06x = 97,793,847,872.28
  5. Step 5: Solve for x
    x = 97,793,847,872.28/358,698.06
  6. Step 6: Final answer
    x = 272,635.56

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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.