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Finding the Fourth Proportional to 339,346.59, 468,303.91 and 186,398.92

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Solution

The fourth proportional to 339,346.59, 468,303.91 and 186,398.92 is: 257,233.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,346.59 : 468,303.91 = 186,398.92 : x
  2. Step 2: Convert to fraction form
    339,346.59/468,303.91 = 186,398.92/x
  3. Step 3: Cross multiply
    339,346.59x = 468,303.91 × 186,398.92
  4. Step 4: Simplify right side
    339,346.59x = 87,291,340,714.26
  5. Step 5: Solve for x
    x = 87,291,340,714.26/339,346.59
  6. Step 6: Final answer
    x = 257,233.59

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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.