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Finding the Fourth Proportional to 371,052.57, 512,053.53 and 201,286.69

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Solution

The fourth proportional to 371,052.57, 512,053.53 and 201,286.69 is: 277,776.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,052.57 : 512,053.53 = 201,286.69 : x
  2. Step 2: Convert to fraction form
    371,052.57/512,053.53 = 201,286.69/x
  3. Step 3: Cross multiply
    371,052.57x = 512,053.53 × 201,286.69
  4. Step 4: Simplify right side
    371,052.57x = 103,069,562,614.15
  5. Step 5: Solve for x
    x = 103,069,562,614.15/371,052.57
  6. Step 6: Final answer
    x = 277,776.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.