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Finding the Fourth Proportional to 230,803.50, 346,205.25 and 64,591.50

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Solution

The fourth proportional to 230,803.50, 346,205.25 and 64,591.50 is: 96,887.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,803.50 : 346,205.25 = 64,591.50 : x
  2. Step 2: Convert to fraction form
    230,803.50/346,205.25 = 64,591.50/x
  3. Step 3: Cross multiply
    230,803.50x = 346,205.25 × 64,591.50
  4. Step 4: Simplify right side
    230,803.50x = 22,361,916,405.38
  5. Step 5: Solve for x
    x = 22,361,916,405.38/230,803.50
  6. Step 6: Final answer
    x = 96,887.25

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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.