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Finding the Fourth Proportional to 299,009.58, 448,512.93 and 99,344.94

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Solution

The fourth proportional to 299,009.58, 448,512.93 and 99,344.94 is: 149,016.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,009.58 : 448,512.93 = 99,344.94 : x
  2. Step 2: Convert to fraction form
    299,009.58/448,512.93 = 99,344.94/x
  3. Step 3: Cross multiply
    299,009.58x = 448,512.93 × 99,344.94
  4. Step 4: Simplify right side
    299,009.58x = 44,557,490,120.07
  5. Step 5: Solve for x
    x = 44,557,490,120.07/299,009.58
  6. Step 6: Final answer
    x = 149,016.93

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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.