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Finding the Fourth Proportional to 509,550.60, 764,325.90 and 332,403.60

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Solution

The fourth proportional to 509,550.60, 764,325.90 and 332,403.60 is: 498,605.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,550.60 : 764,325.90 = 332,403.60 : x
  2. Step 2: Convert to fraction form
    509,550.60/764,325.90 = 332,403.60/x
  3. Step 3: Cross multiply
    509,550.60x = 764,325.90 × 332,403.60
  4. Step 4: Simplify right side
    509,550.60x = 254,064,680,733.24
  5. Step 5: Solve for x
    x = 254,064,680,733.24/509,550.60
  6. Step 6: Final answer
    x = 498,605.40

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Double scale
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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.