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Finding the Fourth Proportional to 338,684.52, 508,260.06 and 117,068.52

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Solution

The fourth proportional to 338,684.52, 508,260.06 and 117,068.52 is: 175,683.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,684.52 : 508,260.06 = 117,068.52 : x
  2. Step 2: Convert to fraction form
    338,684.52/508,260.06 = 117,068.52/x
  3. Step 3: Cross multiply
    338,684.52x = 508,260.06 × 117,068.52
  4. Step 4: Simplify right side
    338,684.52x = 59,501,252,999.31
  5. Step 5: Solve for x
    x = 59,501,252,999.31/338,684.52
  6. Step 6: Final answer
    x = 175,683.41

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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.