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Finding the Fourth Proportional to 329,246.10, 493,869.15 and 179,946.90

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Solution

The fourth proportional to 329,246.10, 493,869.15 and 179,946.90 is: 269,920.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,246.10 : 493,869.15 = 179,946.90 : x
  2. Step 2: Convert to fraction form
    329,246.10/493,869.15 = 179,946.90/x
  3. Step 3: Cross multiply
    329,246.10x = 493,869.15 × 179,946.90
  4. Step 4: Simplify right side
    329,246.10x = 88,870,222,548.14
  5. Step 5: Solve for x
    x = 88,870,222,548.14/329,246.10
  6. Step 6: Final answer
    x = 269,920.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.