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Finding the Fourth Proportional to 575,281.60, 863,046.96 and 220,295.63

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Solution

The fourth proportional to 575,281.60, 863,046.96 and 220,295.63 is: 330,491.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,281.60 : 863,046.96 = 220,295.63 : x
  2. Step 2: Convert to fraction form
    575,281.60/863,046.96 = 220,295.63/x
  3. Step 3: Cross multiply
    575,281.60x = 863,046.96 × 220,295.63
  4. Step 4: Simplify right side
    575,281.60x = 190,125,475,930.40
  5. Step 5: Solve for x
    x = 190,125,475,930.40/575,281.60
  6. Step 6: Final answer
    x = 330,491.15

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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.