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Finding the Fourth Proportional to 493,612.80, 740,419.20 and 227,892.30

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Solution

The fourth proportional to 493,612.80, 740,419.20 and 227,892.30 is: 341,838.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,612.80 : 740,419.20 = 227,892.30 : x
  2. Step 2: Convert to fraction form
    493,612.80/740,419.20 = 227,892.30/x
  3. Step 3: Cross multiply
    493,612.80x = 740,419.20 × 227,892.30
  4. Step 4: Simplify right side
    493,612.80x = 168,735,834,452.16
  5. Step 5: Solve for x
    x = 168,735,834,452.16/493,612.80
  6. Step 6: Final answer
    x = 341,838.45

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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.