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Finding the Fourth Proportional to 360,396.76, 497,348.76 and 197,056.48

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Solution

The fourth proportional to 360,396.76, 497,348.76 and 197,056.48 is: 271,938.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,396.76 : 497,348.76 = 197,056.48 : x
  2. Step 2: Convert to fraction form
    360,396.76/497,348.76 = 197,056.48/x
  3. Step 3: Cross multiply
    360,396.76x = 497,348.76 × 197,056.48
  4. Step 4: Simplify right side
    360,396.76x = 98,005,795,977.96
  5. Step 5: Solve for x
    x = 98,005,795,977.96/360,396.76
  6. Step 6: Final answer
    x = 271,938.62

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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.