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Finding the Fourth Proportional to 541,279.80, 811,919.70 and 364,332.60

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Solution

The fourth proportional to 541,279.80, 811,919.70 and 364,332.60 is: 546,498.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,279.80 : 811,919.70 = 364,332.60 : x
  2. Step 2: Convert to fraction form
    541,279.80/811,919.70 = 364,332.60/x
  3. Step 3: Cross multiply
    541,279.80x = 811,919.70 × 364,332.60
  4. Step 4: Simplify right side
    541,279.80x = 295,808,815,292.22
  5. Step 5: Solve for x
    x = 295,808,815,292.22/541,279.80
  6. Step 6: Final answer
    x = 546,498.90

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Similar ratio
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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.