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Finding the Fourth Proportional to 344,017.61, 474,760.09 and 191,056.51

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Solution

The fourth proportional to 344,017.61, 474,760.09 and 191,056.51 is: 263,666.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,017.61 : 474,760.09 = 191,056.51 : x
  2. Step 2: Convert to fraction form
    344,017.61/474,760.09 = 191,056.51/x
  3. Step 3: Cross multiply
    344,017.61x = 474,760.09 × 191,056.51
  4. Step 4: Simplify right side
    344,017.61x = 90,706,004,927.40
  5. Step 5: Solve for x
    x = 90,706,004,927.40/344,017.61
  6. Step 6: Final answer
    x = 263,666.75

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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.