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Finding the Fourth Proportional to 575,695.25, 863,116.41 and 275,890.35

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Solution

The fourth proportional to 575,695.25, 863,116.41 and 275,890.35 is: 413,631.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,695.25 : 863,116.41 = 275,890.35 : x
  2. Step 2: Convert to fraction form
    575,695.25/863,116.41 = 275,890.35/x
  3. Step 3: Cross multiply
    575,695.25x = 863,116.41 × 275,890.35
  4. Step 4: Simplify right side
    575,695.25x = 238,125,488,445.64
  5. Step 5: Solve for x
    x = 238,125,488,445.64/575,695.25
  6. Step 6: Final answer
    x = 413,631.15

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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.