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Finding the Fourth Proportional to 358,591.60, 494,852.40 and 197,443.36

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Solution

The fourth proportional to 358,591.60, 494,852.40 and 197,443.36 is: 272,469.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,591.60 : 494,852.40 = 197,443.36 : x
  2. Step 2: Convert to fraction form
    358,591.60/494,852.40 = 197,443.36/x
  3. Step 3: Cross multiply
    358,591.60x = 494,852.40 × 197,443.36
  4. Step 4: Simplify right side
    358,591.60x = 97,705,320,560.06
  5. Step 5: Solve for x
    x = 97,705,320,560.06/358,591.60
  6. Step 6: Final answer
    x = 272,469.63

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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.