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Finding the Fourth Proportional to 622,555.32, 859,187.46 and 364,416.73

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Solution

The fourth proportional to 622,555.32, 859,187.46 and 364,416.73 is: 502,930.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,555.32 : 859,187.46 = 364,416.73 : x
  2. Step 2: Convert to fraction form
    622,555.32/859,187.46 = 364,416.73/x
  3. Step 3: Cross multiply
    622,555.32x = 859,187.46 × 364,416.73
  4. Step 4: Simplify right side
    622,555.32x = 313,102,278,512.19
  5. Step 5: Solve for x
    x = 313,102,278,512.19/622,555.32
  6. Step 6: Final answer
    x = 502,930.85

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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.