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Finding the Fourth Proportional to 587,341.53, 810,921.38 and 451,131.93

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Solution

The fourth proportional to 587,341.53, 810,921.38 and 451,131.93 is: 622,861.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,341.53 : 810,921.38 = 451,131.93 : x
  2. Step 2: Convert to fraction form
    587,341.53/810,921.38 = 451,131.93/x
  3. Step 3: Cross multiply
    587,341.53x = 810,921.38 × 451,131.93
  4. Step 4: Simplify right side
    587,341.53x = 365,832,524,982.00
  5. Step 5: Solve for x
    x = 365,832,524,982.00/587,341.53
  6. Step 6: Final answer
    x = 622,861.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.