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Finding the Fourth Proportional to 341,056.98, 511,598.97 and 127,802.61

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Solution

The fourth proportional to 341,056.98, 511,598.97 and 127,802.61 is: 191,708.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,056.98 : 511,598.97 = 127,802.61 : x
  2. Step 2: Convert to fraction form
    341,056.98/511,598.97 = 127,802.61/x
  3. Step 3: Cross multiply
    341,056.98x = 511,598.97 × 127,802.61
  4. Step 4: Simplify right side
    341,056.98x = 65,383,683,639.31
  5. Step 5: Solve for x
    x = 65,383,683,639.31/341,056.98
  6. Step 6: Final answer
    x = 191,708.97

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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.