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Finding the Fourth Proportional to 586,200.32, 809,319.30 and 449,973.44

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Solution

The fourth proportional to 586,200.32, 809,319.30 and 449,973.44 is: 621,241.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,200.32 : 809,319.30 = 449,973.44 : x
  2. Step 2: Convert to fraction form
    586,200.32/809,319.30 = 449,973.44/x
  3. Step 3: Cross multiply
    586,200.32x = 809,319.30 × 449,973.44
  4. Step 4: Simplify right side
    586,200.32x = 364,172,189,479.39
  5. Step 5: Solve for x
    x = 364,172,189,479.39/586,200.32
  6. Step 6: Final answer
    x = 621,241.88

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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.