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Finding the Fourth Proportional to 494,682.60, 742,023.90 and 335,250.30

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Solution

The fourth proportional to 494,682.60, 742,023.90 and 335,250.30 is: 502,875.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,682.60 : 742,023.90 = 335,250.30 : x
  2. Step 2: Convert to fraction form
    494,682.60/742,023.90 = 335,250.30/x
  3. Step 3: Cross multiply
    494,682.60x = 742,023.90 × 335,250.30
  4. Step 4: Simplify right side
    494,682.60x = 248,763,735,082.17
  5. Step 5: Solve for x
    x = 248,763,735,082.17/494,682.60
  6. Step 6: Final answer
    x = 502,875.45

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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.