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Finding the Fourth Proportional to 541,832.80, 811,582.80 and 448,520.80

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Solution

The fourth proportional to 541,832.80, 811,582.80 and 448,520.80 is: 671,815.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,832.80 : 811,582.80 = 448,520.80 : x
  2. Step 2: Convert to fraction form
    541,832.80/811,582.80 = 448,520.80/x
  3. Step 3: Cross multiply
    541,832.80x = 811,582.80 × 448,520.80
  4. Step 4: Simplify right side
    541,832.80x = 364,011,766,722.24
  5. Step 5: Solve for x
    x = 364,011,766,722.24/541,832.80
  6. Step 6: Final answer
    x = 671,815.67

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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.