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Finding the Fourth Proportional to 303,055.22, 454,863.33 and 153,400.64

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Solution

The fourth proportional to 303,055.22, 454,863.33 and 153,400.64 is: 230,242.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,055.22 : 454,863.33 = 153,400.64 : x
  2. Step 2: Convert to fraction form
    303,055.22/454,863.33 = 153,400.64/x
  3. Step 3: Cross multiply
    303,055.22x = 454,863.33 × 153,400.64
  4. Step 4: Simplify right side
    303,055.22x = 69,776,323,660.21
  5. Step 5: Solve for x
    x = 69,776,323,660.21/303,055.22
  6. Step 6: Final answer
    x = 230,242.93

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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.