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Finding the Fourth Proportional to 453,244.65, 679,944.43 and 186,859.55

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Solution

The fourth proportional to 453,244.65, 679,944.43 and 186,859.55 is: 280,321.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,244.65 : 679,944.43 = 186,859.55 : x
  2. Step 2: Convert to fraction form
    453,244.65/679,944.43 = 186,859.55/x
  3. Step 3: Cross multiply
    453,244.65x = 679,944.43 × 186,859.55
  4. Step 4: Simplify right side
    453,244.65x = 127,054,106,815.08
  5. Step 5: Solve for x
    x = 127,054,106,815.08/453,244.65
  6. Step 6: Final answer
    x = 280,321.25

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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.