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Finding the Fourth Proportional to 304,024.28, 455,790.44 and 126,664.52

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Solution

The fourth proportional to 304,024.28, 455,790.44 and 126,664.52 is: 189,894.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,024.28 : 455,790.44 = 126,664.52 : x
  2. Step 2: Convert to fraction form
    304,024.28/455,790.44 = 126,664.52/x
  3. Step 3: Cross multiply
    304,024.28x = 455,790.44 × 126,664.52
  4. Step 4: Simplify right side
    304,024.28x = 57,732,477,303.19
  5. Step 5: Solve for x
    x = 57,732,477,303.19/304,024.28
  6. Step 6: Final answer
    x = 189,894.30

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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.