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Finding the Fourth Proportional to 474,276.76, 711,415.14 and 190,096.12

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Solution

The fourth proportional to 474,276.76, 711,415.14 and 190,096.12 is: 285,144.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,276.76 : 711,415.14 = 190,096.12 : x
  2. Step 2: Convert to fraction form
    474,276.76/711,415.14 = 190,096.12/x
  3. Step 3: Cross multiply
    474,276.76x = 711,415.14 × 190,096.12
  4. Step 4: Simplify right side
    474,276.76x = 135,237,257,823.26
  5. Step 5: Solve for x
    x = 135,237,257,823.26/474,276.76
  6. Step 6: Final answer
    x = 285,144.18

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Similar ratio
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1.5x scale

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.