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Finding the Fourth Proportional to 353,101.98, 487,283.88 and 191,957.34

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Solution

The fourth proportional to 353,101.98, 487,283.88 and 191,957.34 is: 264,902.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,101.98 : 487,283.88 = 191,957.34 : x
  2. Step 2: Convert to fraction form
    353,101.98/487,283.88 = 191,957.34/x
  3. Step 3: Cross multiply
    353,101.98x = 487,283.88 × 191,957.34
  4. Step 4: Simplify right side
    353,101.98x = 93,537,717,429.68
  5. Step 5: Solve for x
    x = 93,537,717,429.68/353,101.98
  6. Step 6: Final answer
    x = 264,902.84

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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.