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Finding the Fourth Proportional to 617,082.54, 851,562.63 and 348,810.54

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Solution

The fourth proportional to 617,082.54, 851,562.63 and 348,810.54 is: 481,352.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,082.54 : 851,562.63 = 348,810.54 : x
  2. Step 2: Convert to fraction form
    617,082.54/851,562.63 = 348,810.54/x
  3. Step 3: Cross multiply
    617,082.54x = 851,562.63 × 348,810.54
  4. Step 4: Simplify right side
    617,082.54x = 297,034,020,814.12
  5. Step 5: Solve for x
    x = 297,034,020,814.12/617,082.54
  6. Step 6: Final answer
    x = 481,352.17

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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.