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Finding the Fourth Proportional to 541,858.80, 811,621.80 and 448,546.80

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Solution

The fourth proportional to 541,858.80, 811,621.80 and 448,546.80 is: 671,854.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,858.80 : 811,621.80 = 448,546.80 : x
  2. Step 2: Convert to fraction form
    541,858.80/811,621.80 = 448,546.80/x
  3. Step 3: Cross multiply
    541,858.80x = 811,621.80 × 448,546.80
  4. Step 4: Simplify right side
    541,858.80x = 364,050,361,200.24
  5. Step 5: Solve for x
    x = 364,050,361,200.24/541,858.80
  6. Step 6: Final answer
    x = 671,854.66

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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.