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Finding the Fourth Proportional to 371,523.53, 512,859.42 and 250,828.30

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Solution

The fourth proportional to 371,523.53, 512,859.42 and 250,828.30 is: 346,249.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,523.53 : 512,859.42 = 250,828.30 : x
  2. Step 2: Convert to fraction form
    371,523.53/512,859.42 = 250,828.30/x
  3. Step 3: Cross multiply
    371,523.53x = 512,859.42 × 250,828.30
  4. Step 4: Simplify right side
    371,523.53x = 128,639,652,639.15
  5. Step 5: Solve for x
    x = 128,639,652,639.15/371,523.53
  6. Step 6: Final answer
    x = 346,249.01

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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.