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Finding the Fourth Proportional to 448,061.60, 672,092.40 and 224,112.80

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Solution

The fourth proportional to 448,061.60, 672,092.40 and 224,112.80 is: 336,169.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,061.60 : 672,092.40 = 224,112.80 : x
  2. Step 2: Convert to fraction form
    448,061.60/672,092.40 = 224,112.80/x
  3. Step 3: Cross multiply
    448,061.60x = 672,092.40 × 224,112.80
  4. Step 4: Simplify right side
    448,061.60x = 150,624,509,622.72
  5. Step 5: Solve for x
    x = 150,624,509,622.72/448,061.60
  6. Step 6: Final answer
    x = 336,169.20

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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.