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Finding the Fourth Proportional to 477,477.92, 716,163.48 and 122,500.40

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Solution

The fourth proportional to 477,477.92, 716,163.48 and 122,500.40 is: 183,736.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,477.92 : 716,163.48 = 122,500.40 : x
  2. Step 2: Convert to fraction form
    477,477.92/716,163.48 = 122,500.40/x
  3. Step 3: Cross multiply
    477,477.92x = 716,163.48 × 122,500.40
  4. Step 4: Simplify right side
    477,477.92x = 87,730,312,765.39
  5. Step 5: Solve for x
    x = 87,730,312,765.39/477,477.92
  6. Step 6: Final answer
    x = 183,736.90

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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.