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Finding the Fourth Proportional to 299,274.96, 448,985.64 and 99,594.96

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Solution

The fourth proportional to 299,274.96, 448,985.64 and 99,594.96 is: 149,416.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,274.96 : 448,985.64 = 99,594.96 : x
  2. Step 2: Convert to fraction form
    299,274.96/448,985.64 = 99,594.96/x
  3. Step 3: Cross multiply
    299,274.96x = 448,985.64 × 99,594.96
  4. Step 4: Simplify right side
    299,274.96x = 44,716,706,856.37
  5. Step 5: Solve for x
    x = 44,716,706,856.37/299,274.96
  6. Step 6: Final answer
    x = 149,416.80

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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.