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Finding the Fourth Proportional to 297,665.36, 446,501.56 and 87,307.52

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Solution

The fourth proportional to 297,665.36, 446,501.56 and 87,307.52 is: 130,962.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,665.36 : 446,501.56 = 87,307.52 : x
  2. Step 2: Convert to fraction form
    297,665.36/446,501.56 = 87,307.52/x
  3. Step 3: Cross multiply
    297,665.36x = 446,501.56 × 87,307.52
  4. Step 4: Simplify right side
    297,665.36x = 38,982,943,879.73
  5. Step 5: Solve for x
    x = 38,982,943,879.73/297,665.36
  6. Step 6: Final answer
    x = 130,962.31

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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.