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Finding the Fourth Proportional to 606,930.90, 910,068.30 and 251,980.80

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Solution

The fourth proportional to 606,930.90, 910,068.30 and 251,980.80 is: 377,835.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,930.90 : 910,068.30 = 251,980.80 : x
  2. Step 2: Convert to fraction form
    606,930.90/910,068.30 = 251,980.80/x
  3. Step 3: Cross multiply
    606,930.90x = 910,068.30 × 251,980.80
  4. Step 4: Simplify right side
    606,930.90x = 229,319,738,288.64
  5. Step 5: Solve for x
    x = 229,319,738,288.64/606,930.90
  6. Step 6: Final answer
    x = 377,835.00

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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.