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Finding the Fourth Proportional to 586,192.32, 809,308.26 and 449,965.44

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Solution

The fourth proportional to 586,192.32, 809,308.26 and 449,965.44 is: 621,230.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,192.32 : 809,308.26 = 449,965.44 : x
  2. Step 2: Convert to fraction form
    586,192.32/809,308.26 = 449,965.44/x
  3. Step 3: Cross multiply
    586,192.32x = 809,308.26 × 449,965.44
  4. Step 4: Simplify right side
    586,192.32x = 364,160,747,306.53
  5. Step 5: Solve for x
    x = 364,160,747,306.53/586,192.32
  6. Step 6: Final answer
    x = 621,230.84

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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.