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Finding the Fourth Proportional to 562,113.23, 775,722.38 and 303,995.22

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Solution

The fourth proportional to 562,113.23, 775,722.38 and 303,995.22 is: 419,516.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,113.23 : 775,722.38 = 303,995.22 : x
  2. Step 2: Convert to fraction form
    562,113.23/775,722.38 = 303,995.22/x
  3. Step 3: Cross multiply
    562,113.23x = 775,722.38 × 303,995.22
  4. Step 4: Simplify right side
    562,113.23x = 235,815,895,567.02
  5. Step 5: Solve for x
    x = 235,815,895,567.02/562,113.23
  6. Step 6: Final answer
    x = 419,516.71

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Double scale
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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.