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Finding the Fourth Proportional to 646,772.59, 886,082.73 and 622,530.71

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Solution

The fourth proportional to 646,772.59, 886,082.73 and 622,530.71 is: 852,871.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,772.59 : 886,082.73 = 622,530.71 : x
  2. Step 2: Convert to fraction form
    646,772.59/886,082.73 = 622,530.71/x
  3. Step 3: Cross multiply
    646,772.59x = 886,082.73 × 622,530.71
  4. Step 4: Simplify right side
    646,772.59x = 551,613,707,912.99
  5. Step 5: Solve for x
    x = 551,613,707,912.99/646,772.59
  6. Step 6: Final answer
    x = 852,871.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.