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Finding the Fourth Proportional to 468,522.38, 646,559.96 and 253,662.42

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Solution

The fourth proportional to 468,522.38, 646,559.96 and 253,662.42 is: 350,053.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,522.38 : 646,559.96 = 253,662.42 : x
  2. Step 2: Convert to fraction form
    468,522.38/646,559.96 = 253,662.42/x
  3. Step 3: Cross multiply
    468,522.38x = 646,559.96 × 253,662.42
  4. Step 4: Simplify right side
    468,522.38x = 164,007,964,128.70
  5. Step 5: Solve for x
    x = 164,007,964,128.70/468,522.38
  6. Step 6: Final answer
    x = 350,053.64

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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.