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Finding the Fourth Proportional to 303,062.80, 454,302.60 and 235,557.40

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Solution

The fourth proportional to 303,062.80, 454,302.60 and 235,557.40 is: 353,109.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,062.80 : 454,302.60 = 235,557.40 : x
  2. Step 2: Convert to fraction form
    303,062.80/454,302.60 = 235,557.40/x
  3. Step 3: Cross multiply
    303,062.80x = 454,302.60 × 235,557.40
  4. Step 4: Simplify right side
    303,062.80x = 107,014,339,269.24
  5. Step 5: Solve for x
    x = 107,014,339,269.24/303,062.80
  6. Step 6: Final answer
    x = 353,109.45

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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.