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Finding the Fourth Proportional to 805,508.48, 1,208,316 and 236,940.44

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Solution

The fourth proportional to 805,508.48, 1,208,316 and 236,940.44 is: 355,426.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,508.48 : 1,208,316 = 236,940.44 : x
  2. Step 2: Convert to fraction form
    805,508.48/1,208,316 = 236,940.44/x
  3. Step 3: Cross multiply
    805,508.48x = 1,208,316 × 236,940.44
  4. Step 4: Simplify right side
    805,508.48x = 286,298,924,699.04
  5. Step 5: Solve for x
    x = 286,298,924,699.04/805,508.48
  6. Step 6: Final answer
    x = 355,426.33

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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.