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Finding the Fourth Proportional to 299,458.30, 449,187.45 and 293,553.40

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Solution

The fourth proportional to 299,458.30, 449,187.45 and 293,553.40 is: 440,330.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,458.30 : 449,187.45 = 293,553.40 : x
  2. Step 2: Convert to fraction form
    299,458.30/449,187.45 = 293,553.40/x
  3. Step 3: Cross multiply
    299,458.30x = 449,187.45 × 293,553.40
  4. Step 4: Simplify right side
    299,458.30x = 131,860,503,184.83
  5. Step 5: Solve for x
    x = 131,860,503,184.83/299,458.30
  6. Step 6: Final answer
    x = 440,330.10

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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.