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Finding the Fourth Proportional to 297,580.64, 446,374.60 and 87,222.83

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Solution

The fourth proportional to 297,580.64, 446,374.60 and 87,222.83 is: 130,835.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,580.64 : 446,374.60 = 87,222.83 : x
  2. Step 2: Convert to fraction form
    297,580.64/446,374.60 = 87,222.83/x
  3. Step 3: Cross multiply
    297,580.64x = 446,374.60 × 87,222.83
  4. Step 4: Simplify right side
    297,580.64x = 38,934,053,402.19
  5. Step 5: Solve for x
    x = 38,934,053,402.19/297,580.64
  6. Step 6: Final answer
    x = 130,835.31

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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.