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Finding the Fourth Proportional to 340,008.35, 469,217.54 and 187,059.29

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Solution

The fourth proportional to 340,008.35, 469,217.54 and 187,059.29 is: 258,145.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,008.35 : 469,217.54 = 187,059.29 : x
  2. Step 2: Convert to fraction form
    340,008.35/469,217.54 = 187,059.29/x
  3. Step 3: Cross multiply
    340,008.35x = 469,217.54 × 187,059.29
  4. Step 4: Simplify right side
    340,008.35x = 87,771,498,009.51
  5. Step 5: Solve for x
    x = 87,771,498,009.51/340,008.35
  6. Step 6: Final answer
    x = 258,145.13

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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.