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Finding the Fourth Proportional to 684,226.69, 944,216.52 and 382,448.77

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Solution

The fourth proportional to 684,226.69, 944,216.52 and 382,448.77 is: 527,770.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,226.69 : 944,216.52 = 382,448.77 : x
  2. Step 2: Convert to fraction form
    684,226.69/944,216.52 = 382,448.77/x
  3. Step 3: Cross multiply
    684,226.69x = 944,216.52 × 382,448.77
  4. Step 4: Simplify right side
    684,226.69x = 361,114,446,687.68
  5. Step 5: Solve for x
    x = 361,114,446,687.68/684,226.69
  6. Step 6: Final answer
    x = 527,770.18

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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.