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Finding the Fourth Proportional to 603,420, 832,656.96 and 348,852.48

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Solution

The fourth proportional to 603,420, 832,656.96 and 348,852.48 is: 481,380.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,420 : 832,656.96 = 348,852.48 : x
  2. Step 2: Convert to fraction form
    603,420/832,656.96 = 348,852.48/x
  3. Step 3: Cross multiply
    603,420x = 832,656.96 × 348,852.48
  4. Step 4: Simplify right side
    603,420x = 290,474,445,485.26
  5. Step 5: Solve for x
    x = 290,474,445,485.26/603,420
  6. Step 6: Final answer
    x = 481,380.21

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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.