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Finding the Fourth Proportional to 510,036.96, 764,355.60 and 322,713.12

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Solution

The fourth proportional to 510,036.96, 764,355.60 and 322,713.12 is: 483,626.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,036.96 : 764,355.60 = 322,713.12 : x
  2. Step 2: Convert to fraction form
    510,036.96/764,355.60 = 322,713.12/x
  3. Step 3: Cross multiply
    510,036.96x = 764,355.60 × 322,713.12
  4. Step 4: Simplify right side
    510,036.96x = 246,667,580,465.47
  5. Step 5: Solve for x
    x = 246,667,580,465.47/510,036.96
  6. Step 6: Final answer
    x = 483,626.87

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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.