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Finding the Fourth Proportional to 358,443.74, 494,648.43 and 197,295.32

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Solution

The fourth proportional to 358,443.74, 494,648.43 and 197,295.32 is: 272,265.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,443.74 : 494,648.43 = 197,295.32 : x
  2. Step 2: Convert to fraction form
    358,443.74/494,648.43 = 197,295.32/x
  3. Step 3: Cross multiply
    358,443.74x = 494,648.43 × 197,295.32
  4. Step 4: Simplify right side
    358,443.74x = 97,591,817,811.11
  5. Step 5: Solve for x
    x = 97,591,817,811.11/358,443.74
  6. Step 6: Final answer
    x = 272,265.37

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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.