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Finding the Fourth Proportional to 297,435.53, 446,153.29 and 87,073.47

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Solution

The fourth proportional to 297,435.53, 446,153.29 and 87,073.47 is: 130,610.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,435.53 : 446,153.29 = 87,073.47 : x
  2. Step 2: Convert to fraction form
    297,435.53/446,153.29 = 87,073.47/x
  3. Step 3: Cross multiply
    297,435.53x = 446,153.29 × 87,073.47
  4. Step 4: Simplify right side
    297,435.53x = 38,848,114,894.53
  5. Step 5: Solve for x
    x = 38,848,114,894.53/297,435.53
  6. Step 6: Final answer
    x = 130,610.20

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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.