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Finding the Fourth Proportional to 202,578.30, 303,430.05 and 176,334.30

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Solution

The fourth proportional to 202,578.30, 303,430.05 and 176,334.30 is: 264,120.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,578.30 : 303,430.05 = 176,334.30 : x
  2. Step 2: Convert to fraction form
    202,578.30/303,430.05 = 176,334.30/x
  3. Step 3: Cross multiply
    202,578.30x = 303,430.05 × 176,334.30
  4. Step 4: Simplify right side
    202,578.30x = 53,505,125,465.72
  5. Step 5: Solve for x
    x = 53,505,125,465.72/202,578.30
  6. Step 6: Final answer
    x = 264,120.72

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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.