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Finding the Fourth Proportional to 504,160.65, 755,528.18 and 279,620.01

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Solution

The fourth proportional to 504,160.65, 755,528.18 and 279,620.01 is: 419,034.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,160.65 : 755,528.18 = 279,620.01 : x
  2. Step 2: Convert to fraction form
    504,160.65/755,528.18 = 279,620.01/x
  3. Step 3: Cross multiply
    504,160.65x = 755,528.18 × 279,620.01
  4. Step 4: Simplify right side
    504,160.65x = 211,260,795,848.78
  5. Step 5: Solve for x
    x = 211,260,795,848.78/504,160.65
  6. Step 6: Final answer
    x = 419,034.68

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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.