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Finding the Fourth Proportional to 499,916.67, 750,126.51 and 200,611.14

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Solution

The fourth proportional to 499,916.67, 750,126.51 and 200,611.14 is: 301,017.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,916.67 : 750,126.51 = 200,611.14 : x
  2. Step 2: Convert to fraction form
    499,916.67/750,126.51 = 200,611.14/x
  3. Step 3: Cross multiply
    499,916.67x = 750,126.51 × 200,611.14
  4. Step 4: Simplify right side
    499,916.67x = 150,483,734,315.32
  5. Step 5: Solve for x
    x = 150,483,734,315.32/499,916.67
  6. Step 6: Final answer
    x = 301,017.64

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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.