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Finding the Fourth Proportional to 353,560.40, 529,757.40 and 301,072.40

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Solution

The fourth proportional to 353,560.40, 529,757.40 and 301,072.40 is: 451,111.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,560.40 : 529,757.40 = 301,072.40 : x
  2. Step 2: Convert to fraction form
    353,560.40/529,757.40 = 301,072.40/x
  3. Step 3: Cross multiply
    353,560.40x = 529,757.40 × 301,072.40
  4. Step 4: Simplify right side
    353,560.40x = 159,495,331,835.76
  5. Step 5: Solve for x
    x = 159,495,331,835.76/353,560.40
  6. Step 6: Final answer
    x = 451,111.98

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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.