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Finding the Fourth Proportional to 358,713.28, 495,027.62 and 197,568.91

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Solution

The fourth proportional to 358,713.28, 495,027.62 and 197,568.91 is: 272,646.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,713.28 : 495,027.62 = 197,568.91 : x
  2. Step 2: Convert to fraction form
    358,713.28/495,027.62 = 197,568.91/x
  3. Step 3: Cross multiply
    358,713.28x = 495,027.62 × 197,568.91
  4. Step 4: Simplify right side
    358,713.28x = 97,802,067,303.29
  5. Step 5: Solve for x
    x = 97,802,067,303.29/358,713.28
  6. Step 6: Final answer
    x = 272,646.91

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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.