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Finding the Fourth Proportional to 477,451.15, 716,176.87 and 122,465.15

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Solution

The fourth proportional to 477,451.15, 716,176.87 and 122,465.15 is: 183,697.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,451.15 : 716,176.87 = 122,465.15 : x
  2. Step 2: Convert to fraction form
    477,451.15/716,176.87 = 122,465.15/x
  3. Step 3: Cross multiply
    477,451.15x = 716,176.87 × 122,465.15
  4. Step 4: Simplify right side
    477,451.15x = 87,706,707,811.08
  5. Step 5: Solve for x
    x = 87,706,707,811.08/477,451.15
  6. Step 6: Final answer
    x = 183,697.76

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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.