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Finding the Fourth Proportional to 575,009.39, 862,914.29 and 238,051.79

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Solution

The fourth proportional to 575,009.39, 862,914.29 and 238,051.79 is: 357,243.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,009.39 : 862,914.29 = 238,051.79 : x
  2. Step 2: Convert to fraction form
    575,009.39/862,914.29 = 238,051.79/x
  3. Step 3: Cross multiply
    575,009.39x = 862,914.29 × 238,051.79
  4. Step 4: Simplify right side
    575,009.39x = 205,418,285,846.25
  5. Step 5: Solve for x
    x = 205,418,285,846.25/575,009.39
  6. Step 6: Final answer
    x = 357,243.36

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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.