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Finding the Fourth Proportional to 371,524.53, 512,860.80 and 250,829.30

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Solution

The fourth proportional to 371,524.53, 512,860.80 and 250,829.30 is: 346,250.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,524.53 : 512,860.80 = 250,829.30 : x
  2. Step 2: Convert to fraction form
    371,524.53/512,860.80 = 250,829.30/x
  3. Step 3: Cross multiply
    371,524.53x = 512,860.80 × 250,829.30
  4. Step 4: Simplify right side
    371,524.53x = 128,640,515,461.44
  5. Step 5: Solve for x
    x = 128,640,515,461.44/371,524.53
  6. Step 6: Final answer
    x = 346,250.40

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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.