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Finding the Fourth Proportional to 606,907.60, 910,725.90 and 251,884.60

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Solution

The fourth proportional to 606,907.60, 910,725.90 and 251,884.60 is: 377,978.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,907.60 : 910,725.90 = 251,884.60 : x
  2. Step 2: Convert to fraction form
    606,907.60/910,725.90 = 251,884.60/x
  3. Step 3: Cross multiply
    606,907.60x = 910,725.90 × 251,884.60
  4. Step 4: Simplify right side
    606,907.60x = 229,397,829,031.14
  5. Step 5: Solve for x
    x = 229,397,829,031.14/606,907.60
  6. Step 6: Final answer
    x = 377,978.18

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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.