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Finding the Fourth Proportional to 474,513.46, 711,770.18 and 208,276.28

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Solution

The fourth proportional to 474,513.46, 711,770.18 and 208,276.28 is: 312,414.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,513.46 : 711,770.18 = 208,276.28 : x
  2. Step 2: Convert to fraction form
    474,513.46/711,770.18 = 208,276.28/x
  3. Step 3: Cross multiply
    474,513.46x = 711,770.18 × 208,276.28
  4. Step 4: Simplify right side
    474,513.46x = 148,244,842,267.17
  5. Step 5: Solve for x
    x = 148,244,842,267.17/474,513.46
  6. Step 6: Final answer
    x = 312,414.41

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Similar ratio
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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.