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Finding the Fourth Proportional to 609,521.93, 914,343.02 and 210,110.12

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Solution

The fourth proportional to 609,521.93, 914,343.02 and 210,110.12 is: 315,185.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,521.93 : 914,343.02 = 210,110.12 : x
  2. Step 2: Convert to fraction form
    609,521.93/914,343.02 = 210,110.12/x
  3. Step 3: Cross multiply
    609,521.93x = 914,343.02 × 210,110.12
  4. Step 4: Simplify right side
    609,521.93x = 192,112,716,031.10
  5. Step 5: Solve for x
    x = 192,112,716,031.10/609,521.93
  6. Step 6: Final answer
    x = 315,185.90

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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.