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Finding the Fourth Proportional to 575,281.34, 863,046.56 and 220,295.36

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Solution

The fourth proportional to 575,281.34, 863,046.56 and 220,295.36 is: 330,490.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,281.34 : 863,046.56 = 220,295.36 : x
  2. Step 2: Convert to fraction form
    575,281.34/863,046.56 = 220,295.36/x
  3. Step 3: Cross multiply
    575,281.34x = 863,046.56 × 220,295.36
  4. Step 4: Simplify right side
    575,281.34x = 190,125,155,340.32
  5. Step 5: Solve for x
    x = 190,125,155,340.32/575,281.34
  6. Step 6: Final answer
    x = 330,490.74

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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.