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Finding the Fourth Proportional to 477,745.80, 716,618.60 and 174,162.72

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Solution

The fourth proportional to 477,745.80, 716,618.60 and 174,162.72 is: 261,244.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,745.80 : 716,618.60 = 174,162.72 : x
  2. Step 2: Convert to fraction form
    477,745.80/716,618.60 = 174,162.72/x
  3. Step 3: Cross multiply
    477,745.80x = 716,618.60 × 174,162.72
  4. Step 4: Simplify right side
    477,745.80x = 124,808,244,578.59
  5. Step 5: Solve for x
    x = 124,808,244,578.59/477,745.80
  6. Step 6: Final answer
    x = 261,244.04

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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.