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Finding the Fourth Proportional to 358,196.57, 494,295.68 and 197,041.40

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Solution

The fourth proportional to 358,196.57, 494,295.68 and 197,041.40 is: 271,908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,196.57 : 494,295.68 = 197,041.40 : x
  2. Step 2: Convert to fraction form
    358,196.57/494,295.68 = 197,041.40/x
  3. Step 3: Cross multiply
    358,196.57x = 494,295.68 × 197,041.40
  4. Step 4: Simplify right side
    358,196.57x = 97,396,712,801.15
  5. Step 5: Solve for x
    x = 97,396,712,801.15/358,196.57
  6. Step 6: Final answer
    x = 271,908.56

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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.