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Finding the Fourth Proportional to 575,796.85, 863,664.12 and 176,438.81

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Solution

The fourth proportional to 575,796.85, 863,664.12 and 176,438.81 is: 264,648.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,796.85 : 863,664.12 = 176,438.81 : x
  2. Step 2: Convert to fraction form
    575,796.85/863,664.12 = 176,438.81/x
  3. Step 3: Cross multiply
    575,796.85x = 863,664.12 × 176,438.81
  4. Step 4: Simplify right side
    575,796.85x = 152,383,866,873.55
  5. Step 5: Solve for x
    x = 152,383,866,873.55/575,796.85
  6. Step 6: Final answer
    x = 264,648.66

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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.