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Finding the Fourth Proportional to 262,508.46, 362,068.30 and 197,980.40

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Solution

The fourth proportional to 262,508.46, 362,068.30 and 197,980.40 is: 273,067.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,508.46 : 362,068.30 = 197,980.40 : x
  2. Step 2: Convert to fraction form
    262,508.46/362,068.30 = 197,980.40/x
  3. Step 3: Cross multiply
    262,508.46x = 362,068.30 × 197,980.40
  4. Step 4: Simplify right side
    262,508.46x = 71,682,426,861.32
  5. Step 5: Solve for x
    x = 71,682,426,861.32/262,508.46
  6. Step 6: Final answer
    x = 273,067.11

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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.