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Finding the Fourth Proportional to 442,886.14, 611,216.70 and 251,888.14

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Solution

The fourth proportional to 442,886.14, 611,216.70 and 251,888.14 is: 347,624.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,886.14 : 611,216.70 = 251,888.14 : x
  2. Step 2: Convert to fraction form
    442,886.14/611,216.70 = 251,888.14/x
  3. Step 3: Cross multiply
    442,886.14x = 611,216.70 × 251,888.14
  4. Step 4: Simplify right side
    442,886.14x = 153,958,237,699.94
  5. Step 5: Solve for x
    x = 153,958,237,699.94/442,886.14
  6. Step 6: Final answer
    x = 347,624.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.