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Finding the Fourth Proportional to 228,364.65, 342,054.90 and 188,998.65

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Solution

The fourth proportional to 228,364.65, 342,054.90 and 188,998.65 is: 283,090.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,364.65 : 342,054.90 = 188,998.65 : x
  2. Step 2: Convert to fraction form
    228,364.65/342,054.90 = 188,998.65/x
  3. Step 3: Cross multiply
    228,364.65x = 342,054.90 × 188,998.65
  4. Step 4: Simplify right side
    228,364.65x = 64,647,914,325.89
  5. Step 5: Solve for x
    x = 64,647,914,325.89/228,364.65
  6. Step 6: Final answer
    x = 283,090.72

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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.