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Finding the Fourth Proportional to 226,903.70, 340,355.55 and 195,410.90

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Solution

The fourth proportional to 226,903.70, 340,355.55 and 195,410.90 is: 293,116.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,903.70 : 340,355.55 = 195,410.90 : x
  2. Step 2: Convert to fraction form
    226,903.70/340,355.55 = 195,410.90/x
  3. Step 3: Cross multiply
    226,903.70x = 340,355.55 × 195,410.90
  4. Step 4: Simplify right side
    226,903.70x = 66,509,184,345.50
  5. Step 5: Solve for x
    x = 66,509,184,345.50/226,903.70
  6. Step 6: Final answer
    x = 293,116.35

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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.