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Finding the Fourth Proportional to 331,676.47, 457,656.06 and 195,700.15

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Solution

The fourth proportional to 331,676.47, 457,656.06 and 195,700.15 is: 270,032.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,676.47 : 457,656.06 = 195,700.15 : x
  2. Step 2: Convert to fraction form
    331,676.47/457,656.06 = 195,700.15/x
  3. Step 3: Cross multiply
    331,676.47x = 457,656.06 × 195,700.15
  4. Step 4: Simplify right side
    331,676.47x = 89,563,359,590.41
  5. Step 5: Solve for x
    x = 89,563,359,590.41/331,676.47
  6. Step 6: Final answer
    x = 270,032.30

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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.