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Finding the Fourth Proportional to 358,535.88, 494,760.71 and 197,359.45

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Solution

The fourth proportional to 358,535.88, 494,760.71 and 197,359.45 is: 272,345.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,535.88 : 494,760.71 = 197,359.45 : x
  2. Step 2: Convert to fraction form
    358,535.88/494,760.71 = 197,359.45/x
  3. Step 3: Cross multiply
    358,535.88x = 494,760.71 × 197,359.45
  4. Step 4: Simplify right side
    358,535.88x = 97,645,700,863.71
  5. Step 5: Solve for x
    x = 97,645,700,863.71/358,535.88
  6. Step 6: Final answer
    x = 272,345.69

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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.