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Finding the Fourth Proportional to 358,998.30, 495,395.46 and 197,844.39

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Solution

The fourth proportional to 358,998.30, 495,395.46 and 197,844.39 is: 273,013.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,998.30 : 495,395.46 = 197,844.39 : x
  2. Step 2: Convert to fraction form
    358,998.30/495,395.46 = 197,844.39/x
  3. Step 3: Cross multiply
    358,998.30x = 495,395.46 × 197,844.39
  4. Step 4: Simplify right side
    358,998.30x = 98,011,212,592.47
  5. Step 5: Solve for x
    x = 98,011,212,592.47/358,998.30
  6. Step 6: Final answer
    x = 273,013.03

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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.