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Finding the Fourth Proportional to 277,848.39, 383,448.49 and 170,403.82

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Solution

The fourth proportional to 277,848.39, 383,448.49 and 170,403.82 is: 235,168.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    277,848.39 : 383,448.49 = 170,403.82 : x
  2. Step 2: Convert to fraction form
    277,848.39/383,448.49 = 170,403.82/x
  3. Step 3: Cross multiply
    277,848.39x = 383,448.49 × 170,403.82
  4. Step 4: Simplify right side
    277,848.39x = 65,341,086,084.60
  5. Step 5: Solve for x
    x = 65,341,086,084.60/277,848.39
  6. Step 6: Final answer
    x = 235,168.13

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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.