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Finding the Fourth Proportional to 603,282.72, 832,813.60 and 348,584.64

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Solution

The fourth proportional to 603,282.72, 832,813.60 and 348,584.64 is: 481,210.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,282.72 : 832,813.60 = 348,584.64 : x
  2. Step 2: Convert to fraction form
    603,282.72/832,813.60 = 348,584.64/x
  3. Step 3: Cross multiply
    603,282.72x = 832,813.60 × 348,584.64
  4. Step 4: Simplify right side
    603,282.72x = 290,306,028,943.10
  5. Step 5: Solve for x
    x = 290,306,028,943.10/603,282.72
  6. Step 6: Final answer
    x = 481,210.58

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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.