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Finding the Fourth Proportional to 603,435.92, 832,649 and 348,737.92

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Solution

The fourth proportional to 603,435.92, 832,649 and 348,737.92 is: 481,204.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,435.92 : 832,649 = 348,737.92 : x
  2. Step 2: Convert to fraction form
    603,435.92/832,649 = 348,737.92/x
  3. Step 3: Cross multiply
    603,435.92x = 832,649 × 348,737.92
  4. Step 4: Simplify right side
    603,435.92x = 290,376,280,350.08
  5. Step 5: Solve for x
    x = 290,376,280,350.08/603,435.92
  6. Step 6: Final answer
    x = 481,204.83

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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.