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Finding the Fourth Proportional to 560,807.60, 773,926.20 and 306,169.52

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Solution

The fourth proportional to 560,807.60, 773,926.20 and 306,169.52 is: 422,520.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,807.60 : 773,926.20 = 306,169.52 : x
  2. Step 2: Convert to fraction form
    560,807.60/773,926.20 = 306,169.52/x
  3. Step 3: Cross multiply
    560,807.60x = 773,926.20 × 306,169.52
  4. Step 4: Simplify right side
    560,807.60x = 236,952,613,169.42
  5. Step 5: Solve for x
    x = 236,952,613,169.42/560,807.60
  6. Step 6: Final answer
    x = 422,520.33

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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.