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Finding the Fourth Proportional to 575,287.53, 863,055.86 and 220,301.56

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Solution

The fourth proportional to 575,287.53, 863,055.86 and 220,301.56 is: 330,500.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,287.53 : 863,055.86 = 220,301.56 : x
  2. Step 2: Convert to fraction form
    575,287.53/863,055.86 = 220,301.56/x
  3. Step 3: Cross multiply
    575,287.53x = 863,055.86 × 220,301.56
  4. Step 4: Simplify right side
    575,287.53x = 190,132,548,686.96
  5. Step 5: Solve for x
    x = 190,132,548,686.96/575,287.53
  6. Step 6: Final answer
    x = 330,500.03

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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.