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Finding the Fourth Proportional to 684,063.44, 943,777.40 and 442,651.44

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Solution

The fourth proportional to 684,063.44, 943,777.40 and 442,651.44 is: 610,710.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,063.44 : 943,777.40 = 442,651.44 : x
  2. Step 2: Convert to fraction form
    684,063.44/943,777.40 = 442,651.44/x
  3. Step 3: Cross multiply
    684,063.44x = 943,777.40 × 442,651.44
  4. Step 4: Simplify right side
    684,063.44x = 417,764,422,936.20
  5. Step 5: Solve for x
    x = 417,764,422,936.20/684,063.44
  6. Step 6: Final answer
    x = 610,710.06

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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.