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Finding the Fourth Proportional to 353,568.40, 529,769.40 and 301,080.40

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Solution

The fourth proportional to 353,568.40, 529,769.40 and 301,080.40 is: 451,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,568.40 : 529,769.40 = 301,080.40 : x
  2. Step 2: Convert to fraction form
    353,568.40/529,769.40 = 301,080.40/x
  3. Step 3: Cross multiply
    353,568.40x = 529,769.40 × 301,080.40
  4. Step 4: Simplify right side
    353,568.40x = 159,503,182,859.76
  5. Step 5: Solve for x
    x = 159,503,182,859.76/353,568.40
  6. Step 6: Final answer
    x = 451,123.98

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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.