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Finding the Fourth Proportional to 358,366.92, 494,535.51 and 197,221.74

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Solution

The fourth proportional to 358,366.92, 494,535.51 and 197,221.74 is: 272,160.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,366.92 : 494,535.51 = 197,221.74 : x
  2. Step 2: Convert to fraction form
    358,366.92/494,535.51 = 197,221.74/x
  3. Step 3: Cross multiply
    358,366.92x = 494,535.51 × 197,221.74
  4. Step 4: Simplify right side
    358,366.92x = 97,533,153,773.99
  5. Step 5: Solve for x
    x = 97,533,153,773.99/358,366.92
  6. Step 6: Final answer
    x = 272,160.04

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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.