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Finding the Fourth Proportional to 626,188.32, 864,221.39 and 350,651.11

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Solution

The fourth proportional to 626,188.32, 864,221.39 and 350,651.11 is: 483,944.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,188.32 : 864,221.39 = 350,651.11 : x
  2. Step 2: Convert to fraction form
    626,188.32/864,221.39 = 350,651.11/x
  3. Step 3: Cross multiply
    626,188.32x = 864,221.39 × 350,651.11
  4. Step 4: Simplify right side
    626,188.32x = 303,040,189,689.24
  5. Step 5: Solve for x
    x = 303,040,189,689.24/626,188.32
  6. Step 6: Final answer
    x = 483,944.17

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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.