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Finding the Fourth Proportional to 448,223.18, 672,532.76 and 234,940.05

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Solution

The fourth proportional to 448,223.18, 672,532.76 and 234,940.05 is: 352,513.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,223.18 : 672,532.76 = 234,940.05 : x
  2. Step 2: Convert to fraction form
    448,223.18/672,532.76 = 234,940.05/x
  3. Step 3: Cross multiply
    448,223.18x = 672,532.76 × 234,940.05
  4. Step 4: Simplify right side
    448,223.18x = 158,004,879,086.34
  5. Step 5: Solve for x
    x = 158,004,879,086.34/448,223.18
  6. Step 6: Final answer
    x = 352,513.85

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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.