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Finding the Fourth Proportional to 340,000.96, 469,201.92 and 189,098.24

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Solution

The fourth proportional to 340,000.96, 469,201.92 and 189,098.24 is: 260,955.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,000.96 : 469,201.92 = 189,098.24 : x
  2. Step 2: Convert to fraction form
    340,000.96/469,201.92 = 189,098.24/x
  3. Step 3: Cross multiply
    340,000.96x = 469,201.92 × 189,098.24
  4. Step 4: Simplify right side
    340,000.96x = 88,725,257,276.62
  5. Step 5: Solve for x
    x = 88,725,257,276.62/340,000.96
  6. Step 6: Final answer
    x = 260,955.90

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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.