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Finding the Fourth Proportional to 448,156.88, 672,233.50 and 181,915.15

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Solution

The fourth proportional to 448,156.88, 672,233.50 and 181,915.15 is: 272,871.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,156.88 : 672,233.50 = 181,915.15 : x
  2. Step 2: Convert to fraction form
    448,156.88/672,233.50 = 181,915.15/x
  3. Step 3: Cross multiply
    448,156.88x = 672,233.50 × 181,915.15
  4. Step 4: Simplify right side
    448,156.88x = 122,289,456,534.34
  5. Step 5: Solve for x
    x = 122,289,456,534.34/448,156.88
  6. Step 6: Final answer
    x = 272,871.98

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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.