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Finding the Fourth Proportional to 565,799.91, 780,789.10 and 336,357.64

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Solution

The fourth proportional to 565,799.91, 780,789.10 and 336,357.64 is: 464,164.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,799.91 : 780,789.10 = 336,357.64 : x
  2. Step 2: Convert to fraction form
    565,799.91/780,789.10 = 336,357.64/x
  3. Step 3: Cross multiply
    565,799.91x = 780,789.10 × 336,357.64
  4. Step 4: Simplify right side
    565,799.91x = 262,624,379,013.72
  5. Step 5: Solve for x
    x = 262,624,379,013.72/565,799.91
  6. Step 6: Final answer
    x = 464,164.76

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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.