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Finding the Fourth Proportional to 358,990.32, 495,384.39 and 197,836.37

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Solution

The fourth proportional to 358,990.32, 495,384.39 and 197,836.37 is: 273,001.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,990.32 : 495,384.39 = 197,836.37 : x
  2. Step 2: Convert to fraction form
    358,990.32/495,384.39 = 197,836.37/x
  3. Step 3: Cross multiply
    358,990.32x = 495,384.39 × 197,836.37
  4. Step 4: Simplify right side
    358,990.32x = 98,005,049,472.26
  5. Step 5: Solve for x
    x = 98,005,049,472.26/358,990.32
  6. Step 6: Final answer
    x = 273,001.93

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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.