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Finding the Fourth Proportional to 603,105.28, 832,270.08 and 334,816

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Solution

The fourth proportional to 603,105.28, 832,270.08 and 334,816 is: 462,037.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,105.28 : 832,270.08 = 334,816 : x
  2. Step 2: Convert to fraction form
    603,105.28/832,270.08 = 334,816/x
  3. Step 3: Cross multiply
    603,105.28x = 832,270.08 × 334,816
  4. Step 4: Simplify right side
    603,105.28x = 278,657,339,105.28
  5. Step 5: Solve for x
    x = 278,657,339,105.28/603,105.28
  6. Step 6: Final answer
    x = 462,037.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.