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Finding the Fourth Proportional to 541,893.90, 811,966.05 and 341,856.30

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Solution

The fourth proportional to 541,893.90, 811,966.05 and 341,856.30 is: 512,232.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,893.90 : 811,966.05 = 341,856.30 : x
  2. Step 2: Convert to fraction form
    541,893.90/811,966.05 = 341,856.30/x
  3. Step 3: Cross multiply
    541,893.90x = 811,966.05 × 341,856.30
  4. Step 4: Simplify right side
    541,893.90x = 277,575,709,578.62
  5. Step 5: Solve for x
    x = 277,575,709,578.62/541,893.90
  6. Step 6: Final answer
    x = 512,232.58

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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.