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Finding the Fourth Proportional to 606,851.80, 910,496.40 and 252,120.40

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Solution

The fourth proportional to 606,851.80, 910,496.40 and 252,120.40 is: 378,271.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,851.80 : 910,496.40 = 252,120.40 : x
  2. Step 2: Convert to fraction form
    606,851.80/910,496.40 = 252,120.40/x
  3. Step 3: Cross multiply
    606,851.80x = 910,496.40 × 252,120.40
  4. Step 4: Simplify right side
    606,851.80x = 229,554,716,566.56
  5. Step 5: Solve for x
    x = 229,554,716,566.56/606,851.80
  6. Step 6: Final answer
    x = 378,271.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.