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Finding the Fourth Proportional to 437,846.08, 656,775.60 and 289,039.36

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Solution

The fourth proportional to 437,846.08, 656,775.60 and 289,039.36 is: 433,563.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,846.08 : 656,775.60 = 289,039.36 : x
  2. Step 2: Convert to fraction form
    437,846.08/656,775.60 = 289,039.36/x
  3. Step 3: Cross multiply
    437,846.08x = 656,775.60 × 289,039.36
  4. Step 4: Simplify right side
    437,846.08x = 189,833,999,087.62
  5. Step 5: Solve for x
    x = 189,833,999,087.62/437,846.08
  6. Step 6: Final answer
    x = 433,563.32

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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.