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Finding the Fourth Proportional to 474,697.09, 711,968.88 and 175,318.66

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Solution

The fourth proportional to 474,697.09, 711,968.88 and 175,318.66 is: 262,949.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,697.09 : 711,968.88 = 175,318.66 : x
  2. Step 2: Convert to fraction form
    474,697.09/711,968.88 = 175,318.66/x
  3. Step 3: Cross multiply
    474,697.09x = 711,968.88 × 175,318.66
  4. Step 4: Simplify right side
    474,697.09x = 124,821,430,003.30
  5. Step 5: Solve for x
    x = 124,821,430,003.30/474,697.09
  6. Step 6: Final answer
    x = 262,949.64

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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.