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Finding the Fourth Proportional to 541,805.30, 811,541.55 and 448,493.30

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Solution

The fourth proportional to 541,805.30, 811,541.55 and 448,493.30 is: 671,774.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,805.30 : 811,541.55 = 448,493.30 : x
  2. Step 2: Convert to fraction form
    541,805.30/811,541.55 = 448,493.30/x
  3. Step 3: Cross multiply
    541,805.30x = 811,541.55 × 448,493.30
  4. Step 4: Simplify right side
    541,805.30x = 363,970,947,846.62
  5. Step 5: Solve for x
    x = 363,970,947,846.62/541,805.30
  6. Step 6: Final answer
    x = 671,774.43

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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.