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Finding the Fourth Proportional to 297,433.65, 446,150.48 and 87,071.60

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Solution

The fourth proportional to 297,433.65, 446,150.48 and 87,071.60 is: 130,607.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,433.65 : 446,150.48 = 87,071.60 : x
  2. Step 2: Convert to fraction form
    297,433.65/446,150.48 = 87,071.60/x
  3. Step 3: Cross multiply
    297,433.65x = 446,150.48 × 87,071.60
  4. Step 4: Simplify right side
    297,433.65x = 38,847,033,468.26
  5. Step 5: Solve for x
    x = 38,847,033,468.26/297,433.65
  6. Step 6: Final answer
    x = 130,607.39

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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.