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Finding the Fourth Proportional to 674,697.60, 1,011,900.60 and 295,617.60

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Solution

The fourth proportional to 674,697.60, 1,011,900.60 and 295,617.60 is: 443,362.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,697.60 : 1,011,900.60 = 295,617.60 : x
  2. Step 2: Convert to fraction form
    674,697.60/1,011,900.60 = 295,617.60/x
  3. Step 3: Cross multiply
    674,697.60x = 1,011,900.60 × 295,617.60
  4. Step 4: Simplify right side
    674,697.60x = 299,135,626,810.56
  5. Step 5: Solve for x
    x = 299,135,626,810.56/674,697.60
  6. Step 6: Final answer
    x = 443,362.52

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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.