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Finding the Fourth Proportional to 622,754.46, 859,421.61 and 364,657.14

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Solution

The fourth proportional to 622,754.46, 859,421.61 and 364,657.14 is: 503,238.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,754.46 : 859,421.61 = 364,657.14 : x
  2. Step 2: Convert to fraction form
    622,754.46/859,421.61 = 364,657.14/x
  3. Step 3: Cross multiply
    622,754.46x = 859,421.61 × 364,657.14
  4. Step 4: Simplify right side
    622,754.46x = 313,394,226,356.80
  5. Step 5: Solve for x
    x = 313,394,226,356.80/622,754.46
  6. Step 6: Final answer
    x = 503,238.83

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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.