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Finding the Fourth Proportional to 606,810.34, 910,621.84 and 251,824.69

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Solution

The fourth proportional to 606,810.34, 910,621.84 and 251,824.69 is: 377,905.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,810.34 : 910,621.84 = 251,824.69 : x
  2. Step 2: Convert to fraction form
    606,810.34/910,621.84 = 251,824.69/x
  3. Step 3: Cross multiply
    606,810.34x = 910,621.84 × 251,824.69
  4. Step 4: Simplify right side
    606,810.34x = 229,317,062,565.23
  5. Step 5: Solve for x
    x = 229,317,062,565.23/606,810.34
  6. Step 6: Final answer
    x = 377,905.66

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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.