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Finding the Fourth Proportional to 424,354.55, 585,616.41 and 243,082.32

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Solution

The fourth proportional to 424,354.55, 585,616.41 and 243,082.32 is: 335,457.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,354.55 : 585,616.41 = 243,082.32 : x
  2. Step 2: Convert to fraction form
    424,354.55/585,616.41 = 243,082.32/x
  3. Step 3: Cross multiply
    424,354.55x = 585,616.41 × 243,082.32
  4. Step 4: Simplify right side
    424,354.55x = 142,352,992,693.14
  5. Step 5: Solve for x
    x = 142,352,992,693.14/424,354.55
  6. Step 6: Final answer
    x = 335,457.68

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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.