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Finding the Fourth Proportional to 299,276.46, 448,987.89 and 99,596.46

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Solution

The fourth proportional to 299,276.46, 448,987.89 and 99,596.46 is: 149,419.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,276.46 : 448,987.89 = 99,596.46 : x
  2. Step 2: Convert to fraction form
    299,276.46/448,987.89 = 99,596.46/x
  3. Step 3: Cross multiply
    299,276.46x = 448,987.89 × 99,596.46
  4. Step 4: Simplify right side
    299,276.46x = 44,717,604,426.87
  5. Step 5: Solve for x
    x = 44,717,604,426.87/299,276.46
  6. Step 6: Final answer
    x = 149,419.05

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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.