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Finding the Fourth Proportional to 358,225, 494,350.48 and 197,076.60

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Solution

The fourth proportional to 358,225, 494,350.48 and 197,076.60 is: 271,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,225 : 494,350.48 = 197,076.60 : x
  2. Step 2: Convert to fraction form
    358,225/494,350.48 = 197,076.60/x
  3. Step 3: Cross multiply
    358,225x = 494,350.48 × 197,076.60
  4. Step 4: Simplify right side
    358,225x = 97,424,911,806.77
  5. Step 5: Solve for x
    x = 97,424,911,806.77/358,225
  6. Step 6: Final answer
    x = 271,965.70

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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.