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Finding the Fourth Proportional to 358,951.32, 495,356.07 and 197,812.14

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Solution

The fourth proportional to 358,951.32, 495,356.07 and 197,812.14 is: 272,982.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,951.32 : 495,356.07 = 197,812.14 : x
  2. Step 2: Convert to fraction form
    358,951.32/495,356.07 = 197,812.14/x
  3. Step 3: Cross multiply
    358,951.32x = 495,356.07 × 197,812.14
  4. Step 4: Simplify right side
    358,951.32x = 97,987,444,268.69
  5. Step 5: Solve for x
    x = 97,987,444,268.69/358,951.32
  6. Step 6: Final answer
    x = 272,982.54

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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.