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Finding the Fourth Proportional to 298,603.97, 446,853.60 and 186,337.07

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Solution

The fourth proportional to 298,603.97, 446,853.60 and 186,337.07 is: 278,848.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,603.97 : 446,853.60 = 186,337.07 : x
  2. Step 2: Convert to fraction form
    298,603.97/446,853.60 = 186,337.07/x
  3. Step 3: Cross multiply
    298,603.97x = 446,853.60 × 186,337.07
  4. Step 4: Simplify right side
    298,603.97x = 83,265,390,542.95
  5. Step 5: Solve for x
    x = 83,265,390,542.95/298,603.97
  6. Step 6: Final answer
    x = 278,848.91

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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.