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Finding the Fourth Proportional to 580,007.04, 869,999.68 and 238,378.56

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Solution

The fourth proportional to 580,007.04, 869,999.68 and 238,378.56 is: 357,563.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,007.04 : 869,999.68 = 238,378.56 : x
  2. Step 2: Convert to fraction form
    580,007.04/869,999.68 = 238,378.56/x
  3. Step 3: Cross multiply
    580,007.04x = 869,999.68 × 238,378.56
  4. Step 4: Simplify right side
    580,007.04x = 207,389,270,918.86
  5. Step 5: Solve for x
    x = 207,389,270,918.86/580,007.04
  6. Step 6: Final answer
    x = 357,563.37

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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.