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Finding the Fourth Proportional to 354,165.83, 488,754.87 and 193,029.72

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Solution

The fourth proportional to 354,165.83, 488,754.87 and 193,029.72 is: 266,384.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,165.83 : 488,754.87 = 193,029.72 : x
  2. Step 2: Convert to fraction form
    354,165.83/488,754.87 = 193,029.72/x
  3. Step 3: Cross multiply
    354,165.83x = 488,754.87 × 193,029.72
  4. Step 4: Simplify right side
    354,165.83x = 94,344,215,704.74
  5. Step 5: Solve for x
    x = 94,344,215,704.74/354,165.83
  6. Step 6: Final answer
    x = 266,384.30

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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.