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Finding the Fourth Proportional to 603,040.14, 832,136.49 and 348,385.86

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Solution

The fourth proportional to 603,040.14, 832,136.49 and 348,385.86 is: 480,738.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,040.14 : 832,136.49 = 348,385.86 : x
  2. Step 2: Convert to fraction form
    603,040.14/832,136.49 = 348,385.86/x
  3. Step 3: Cross multiply
    603,040.14x = 832,136.49 × 348,385.86
  4. Step 4: Simplify right side
    603,040.14x = 289,904,586,706.03
  5. Step 5: Solve for x
    x = 289,904,586,706.03/603,040.14
  6. Step 6: Final answer
    x = 480,738.46

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