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Finding the Fourth Proportional to 230,225.46, 345,338.19 and 217,230.90

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Solution

The fourth proportional to 230,225.46, 345,338.19 and 217,230.90 is: 325,846.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,225.46 : 345,338.19 = 217,230.90 : x
  2. Step 2: Convert to fraction form
    230,225.46/345,338.19 = 217,230.90/x
  3. Step 3: Cross multiply
    230,225.46x = 345,338.19 × 217,230.90
  4. Step 4: Simplify right side
    230,225.46x = 75,018,125,818.07
  5. Step 5: Solve for x
    x = 75,018,125,818.07/230,225.46
  6. Step 6: Final answer
    x = 325,846.35

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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.