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Finding the Fourth Proportional to 603,082, 832,376.16 and 348,398.56

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Solution

The fourth proportional to 603,082, 832,376.16 and 348,398.56 is: 480,861.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,082 : 832,376.16 = 348,398.56 : x
  2. Step 2: Convert to fraction form
    603,082/832,376.16 = 348,398.56/x
  3. Step 3: Cross multiply
    603,082x = 832,376.16 × 348,398.56
  4. Step 4: Simplify right side
    603,082x = 289,998,655,522.33
  5. Step 5: Solve for x
    x = 289,998,655,522.33/603,082
  6. Step 6: Final answer
    x = 480,861.07

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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.