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Finding the Fourth Proportional to 342,216.64, 513,352.32 and 117,487.36

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Solution

The fourth proportional to 342,216.64, 513,352.32 and 117,487.36 is: 176,240.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    342,216.64 : 513,352.32 = 117,487.36 : x
  2. Step 2: Convert to fraction form
    342,216.64/513,352.32 = 117,487.36/x
  3. Step 3: Cross multiply
    342,216.64x = 513,352.32 × 117,487.36
  4. Step 4: Simplify right side
    342,216.64x = 60,312,408,826.68
  5. Step 5: Solve for x
    x = 60,312,408,826.68/342,216.64
  6. Step 6: Final answer
    x = 176,240.43

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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.