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Finding the Fourth Proportional to 299,304.45, 448,641.18 and 99,571.41

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Solution

The fourth proportional to 299,304.45, 448,641.18 and 99,571.41 is: 149,252.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,304.45 : 448,641.18 = 99,571.41 : x
  2. Step 2: Convert to fraction form
    299,304.45/448,641.18 = 99,571.41/x
  3. Step 3: Cross multiply
    299,304.45x = 448,641.18 × 99,571.41
  4. Step 4: Simplify right side
    299,304.45x = 44,671,834,876.66
  5. Step 5: Solve for x
    x = 44,671,834,876.66/299,304.45
  6. Step 6: Final answer
    x = 149,252.16

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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.