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Finding the Fourth Proportional to 299,276.15, 448,918.18 and 99,596.57

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Solution

The fourth proportional to 299,276.15, 448,918.18 and 99,596.57 is: 149,396.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    299,276.15 : 448,918.18 = 99,596.57 : x
  2. Step 2: Convert to fraction form
    299,276.15/448,918.18 = 99,596.57/x
  3. Step 3: Cross multiply
    299,276.15x = 448,918.18 × 99,596.57
  4. Step 4: Simplify right side
    299,276.15x = 44,710,710,440.66
  5. Step 5: Solve for x
    x = 44,710,710,440.66/299,276.15
  6. Step 6: Final answer
    x = 149,396.17

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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.