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Finding the Fourth Proportional to 304,801.89, 420,629.99 and 168,837.93

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Solution

The fourth proportional to 304,801.89, 420,629.99 and 168,837.93 is: 232,998.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    304,801.89 : 420,629.99 = 168,837.93 : x
  2. Step 2: Convert to fraction form
    304,801.89/420,629.99 = 168,837.93/x
  3. Step 3: Cross multiply
    304,801.89x = 420,629.99 × 168,837.93
  4. Step 4: Simplify right side
    304,801.89x = 71,018,295,963.33
  5. Step 5: Solve for x
    x = 71,018,295,963.33/304,801.89
  6. Step 6: Final answer
    x = 232,998.21

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1.5x scale

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.