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Finding the Fourth Proportional to 684,202.25, 944,169.45 and 374,099.15

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Solution

The fourth proportional to 684,202.25, 944,169.45 and 374,099.15 is: 516,240.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,202.25 : 944,169.45 = 374,099.15 : x
  2. Step 2: Convert to fraction form
    684,202.25/944,169.45 = 374,099.15/x
  3. Step 3: Cross multiply
    684,202.25x = 944,169.45 × 374,099.15
  4. Step 4: Simplify right side
    684,202.25x = 353,212,983,980.12
  5. Step 5: Solve for x
    x = 353,212,983,980.12/684,202.25
  6. Step 6: Final answer
    x = 516,240.61

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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.