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Finding the Fourth Proportional to 299,208.70, 448,035.45 and 236,482.30

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Solution

The fourth proportional to 299,208.70, 448,035.45 and 236,482.30 is: 354,108.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,208.70 : 448,035.45 = 236,482.30 : x
  2. Step 2: Convert to fraction form
    299,208.70/448,035.45 = 236,482.30/x
  3. Step 3: Cross multiply
    299,208.70x = 448,035.45 × 236,482.30
  4. Step 4: Simplify right side
    299,208.70x = 105,952,453,697.54
  5. Step 5: Solve for x
    x = 105,952,453,697.54/299,208.70
  6. Step 6: Final answer
    x = 354,108.87

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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.