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Finding the Fourth Proportional to 493,282.60, 739,923.90 and 367,311.40

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Solution

The fourth proportional to 493,282.60, 739,923.90 and 367,311.40 is: 550,967.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,282.60 : 739,923.90 = 367,311.40 : x
  2. Step 2: Convert to fraction form
    493,282.60/739,923.90 = 367,311.40/x
  3. Step 3: Cross multiply
    493,282.60x = 739,923.90 × 367,311.40
  4. Step 4: Simplify right side
    493,282.60x = 271,782,483,602.46
  5. Step 5: Solve for x
    x = 271,782,483,602.46/493,282.60
  6. Step 6: Final answer
    x = 550,967.10

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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.