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Finding the Fourth Proportional to 579,903, 800,267.60 and 338,351.64

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Solution

The fourth proportional to 579,903, 800,267.60 and 338,351.64 is: 466,926.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,903 : 800,267.60 = 338,351.64 : x
  2. Step 2: Convert to fraction form
    579,903/800,267.60 = 338,351.64/x
  3. Step 3: Cross multiply
    579,903x = 800,267.60 × 338,351.64
  4. Step 4: Simplify right side
    579,903x = 270,771,854,898.86
  5. Step 5: Solve for x
    x = 270,771,854,898.86/579,903
  6. Step 6: Final answer
    x = 466,926.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.