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Finding the Fourth Proportional to 541,853.80, 811,614.30 and 448,541.80

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Solution

The fourth proportional to 541,853.80, 811,614.30 and 448,541.80 is: 671,847.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,853.80 : 811,614.30 = 448,541.80 : x
  2. Step 2: Convert to fraction form
    541,853.80/811,614.30 = 448,541.80/x
  3. Step 3: Cross multiply
    541,853.80x = 811,614.30 × 448,541.80
  4. Step 4: Simplify right side
    541,853.80x = 364,042,939,027.74
  5. Step 5: Solve for x
    x = 364,042,939,027.74/541,853.80
  6. Step 6: Final answer
    x = 671,847.16

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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.