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Finding the Fourth Proportional to 575,338.92, 863,015.67 and 220,374.24

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Solution

The fourth proportional to 575,338.92, 863,015.67 and 220,374.24 is: 330,564.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,338.92 : 863,015.67 = 220,374.24 : x
  2. Step 2: Convert to fraction form
    575,338.92/863,015.67 = 220,374.24/x
  3. Step 3: Cross multiply
    575,338.92x = 863,015.67 × 220,374.24
  4. Step 4: Simplify right side
    575,338.92x = 190,186,422,384.34
  5. Step 5: Solve for x
    x = 190,186,422,384.34/575,338.92
  6. Step 6: Final answer
    x = 330,564.15

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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.