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Finding the Fourth Proportional to 344,160.90, 474,948.06 and 191,213.06

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Solution

The fourth proportional to 344,160.90, 474,948.06 and 191,213.06 is: 263,877.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,160.90 : 474,948.06 = 191,213.06 : x
  2. Step 2: Convert to fraction form
    344,160.90/474,948.06 = 191,213.06/x
  3. Step 3: Cross multiply
    344,160.90x = 474,948.06 × 191,213.06
  4. Step 4: Simplify right side
    344,160.90x = 90,816,268,801.87
  5. Step 5: Solve for x
    x = 90,816,268,801.87/344,160.90
  6. Step 6: Final answer
    x = 263,877.36

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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.