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Finding the Fourth Proportional to 293,554.88, 405,150.72 and 236,790.08

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Solution

The fourth proportional to 293,554.88, 405,150.72 and 236,790.08 is: 326,806.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,554.88 : 405,150.72 = 236,790.08 : x
  2. Step 2: Convert to fraction form
    293,554.88/405,150.72 = 236,790.08/x
  3. Step 3: Cross multiply
    293,554.88x = 405,150.72 × 236,790.08
  4. Step 4: Simplify right side
    293,554.88x = 95,935,671,400.86
  5. Step 5: Solve for x
    x = 95,935,671,400.86/293,554.88
  6. Step 6: Final answer
    x = 326,806.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.