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Finding the Fourth Proportional to 334,963.58, 462,270.40 and 191,720.54

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Solution

The fourth proportional to 334,963.58, 462,270.40 and 191,720.54 is: 264,586.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    334,963.58 : 462,270.40 = 191,720.54 : x
  2. Step 2: Convert to fraction form
    334,963.58/462,270.40 = 191,720.54/x
  3. Step 3: Cross multiply
    334,963.58x = 462,270.40 × 191,720.54
  4. Step 4: Simplify right side
    334,963.58x = 88,626,730,714.02
  5. Step 5: Solve for x
    x = 88,626,730,714.02/334,963.58
  6. Step 6: Final answer
    x = 264,586.17

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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.