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Finding the Fourth Proportional to 581,470.56, 872,544.20 and 244,486.80

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Solution

The fourth proportional to 581,470.56, 872,544.20 and 244,486.80 is: 366,872.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,470.56 : 872,544.20 = 244,486.80 : x
  2. Step 2: Convert to fraction form
    581,470.56/872,544.20 = 244,486.80/x
  3. Step 3: Cross multiply
    581,470.56x = 872,544.20 × 244,486.80
  4. Step 4: Simplify right side
    581,470.56x = 213,325,539,316.56
  5. Step 5: Solve for x
    x = 213,325,539,316.56/581,470.56
  6. Step 6: Final answer
    x = 366,872.47

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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.