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Finding the Fourth Proportional to 230,479.50, 345,777.57 and 64,267.50

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Solution

The fourth proportional to 230,479.50, 345,777.57 and 64,267.50 is: 96,417.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,479.50 : 345,777.57 = 64,267.50 : x
  2. Step 2: Convert to fraction form
    230,479.50/345,777.57 = 64,267.50/x
  3. Step 3: Cross multiply
    230,479.50x = 345,777.57 × 64,267.50
  4. Step 4: Simplify right side
    230,479.50x = 22,222,259,979.98
  5. Step 5: Solve for x
    x = 22,222,259,979.98/230,479.50
  6. Step 6: Final answer
    x = 96,417.51

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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.