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Finding the Fourth Proportional to 575,512.76, 863,517.81 and 308,962.01

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Solution

The fourth proportional to 575,512.76, 863,517.81 and 308,962.01 is: 463,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,512.76 : 863,517.81 = 308,962.01 : x
  2. Step 2: Convert to fraction form
    575,512.76/863,517.81 = 308,962.01/x
  3. Step 3: Cross multiply
    575,512.76x = 863,517.81 × 308,962.01
  4. Step 4: Simplify right side
    575,512.76x = 266,794,198,248.40
  5. Step 5: Solve for x
    x = 266,794,198,248.40/575,512.76
  6. Step 6: Final answer
    x = 463,576.51

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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.