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Finding the Fourth Proportional to 304,741.52, 420,152.52 and 236,642.96

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Solution

The fourth proportional to 304,741.52, 420,152.52 and 236,642.96 is: 326,263.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,741.52 : 420,152.52 = 236,642.96 : x
  2. Step 2: Convert to fraction form
    304,741.52/420,152.52 = 236,642.96/x
  3. Step 3: Cross multiply
    304,741.52x = 420,152.52 × 236,642.96
  4. Step 4: Simplify right side
    304,741.52x = 99,426,135,984.26
  5. Step 5: Solve for x
    x = 99,426,135,984.26/304,741.52
  6. Step 6: Final answer
    x = 326,263.83

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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.