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Finding the Fourth Proportional to 303,050.80, 454,381.80 and 125,628.40

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Solution

The fourth proportional to 303,050.80, 454,381.80 and 125,628.40 is: 188,362.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,050.80 : 454,381.80 = 125,628.40 : x
  2. Step 2: Convert to fraction form
    303,050.80/454,381.80 = 125,628.40/x
  3. Step 3: Cross multiply
    303,050.80x = 454,381.80 × 125,628.40
  4. Step 4: Simplify right side
    303,050.80x = 57,083,258,523.12
  5. Step 5: Solve for x
    x = 57,083,258,523.12/303,050.80
  6. Step 6: Final answer
    x = 188,362.01

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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.