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Finding the Fourth Proportional to 303,347.80, 454,140.06 and 176,601.88

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Solution

The fourth proportional to 303,347.80, 454,140.06 and 176,601.88 is: 264,389.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,347.80 : 454,140.06 = 176,601.88 : x
  2. Step 2: Convert to fraction form
    303,347.80/454,140.06 = 176,601.88/x
  3. Step 3: Cross multiply
    303,347.80x = 454,140.06 × 176,601.88
  4. Step 4: Simplify right side
    303,347.80x = 80,201,988,379.31
  5. Step 5: Solve for x
    x = 80,201,988,379.31/303,347.80
  6. Step 6: Final answer
    x = 264,389.55

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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.