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Finding the Fourth Proportional to 474,618.62, 711,909.30 and 174,969.66

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Solution

The fourth proportional to 474,618.62, 711,909.30 and 174,969.66 is: 262,447.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,618.62 : 711,909.30 = 174,969.66 : x
  2. Step 2: Convert to fraction form
    474,618.62/711,909.30 = 174,969.66/x
  3. Step 3: Cross multiply
    474,618.62x = 711,909.30 × 174,969.66
  4. Step 4: Simplify right side
    474,618.62x = 124,562,528,171.84
  5. Step 5: Solve for x
    x = 124,562,528,171.84/474,618.62
  6. Step 6: Final answer
    x = 262,447.62

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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.