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Finding the Fourth Proportional to 297,636.88, 446,449.56 and 87,270.16

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Solution

The fourth proportional to 297,636.88, 446,449.56 and 87,270.16 is: 130,903.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,636.88 : 446,449.56 = 87,270.16 : x
  2. Step 2: Convert to fraction form
    297,636.88/446,449.56 = 87,270.16/x
  3. Step 3: Cross multiply
    297,636.88x = 446,449.56 × 87,270.16
  4. Step 4: Simplify right side
    297,636.88x = 38,961,724,533.13
  5. Step 5: Solve for x
    x = 38,961,724,533.13/297,636.88
  6. Step 6: Final answer
    x = 130,903.55

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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.