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Finding the Fourth Proportional to 603,642.09, 905,322.42 and 224,741.28

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Solution

The fourth proportional to 603,642.09, 905,322.42 and 224,741.28 is: 337,059.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,642.09 : 905,322.42 = 224,741.28 : x
  2. Step 2: Convert to fraction form
    603,642.09/905,322.42 = 224,741.28/x
  3. Step 3: Cross multiply
    603,642.09x = 905,322.42 × 224,741.28
  4. Step 4: Simplify right side
    603,642.09x = 203,463,319,483.50
  5. Step 5: Solve for x
    x = 203,463,319,483.50/603,642.09
  6. Step 6: Final answer
    x = 337,059.53

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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.