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Finding the Fourth Proportional to 200,384.81, 300,577.22 and 50,625.53

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Solution

The fourth proportional to 200,384.81, 300,577.22 and 50,625.53 is: 75,938.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,384.81 : 300,577.22 = 50,625.53 : x
  2. Step 2: Convert to fraction form
    200,384.81/300,577.22 = 50,625.53/x
  3. Step 3: Cross multiply
    200,384.81x = 300,577.22 × 50,625.53
  4. Step 4: Simplify right side
    200,384.81x = 15,216,879,312.41
  5. Step 5: Solve for x
    x = 15,216,879,312.41/200,384.81
  6. Step 6: Final answer
    x = 75,938.29

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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.