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Finding the Fourth Proportional to 534,720.06, 802,413 and 484,890.48

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Solution

The fourth proportional to 534,720.06, 802,413 and 484,890.48 is: 727,637.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,720.06 : 802,413 = 484,890.48 : x
  2. Step 2: Convert to fraction form
    534,720.06/802,413 = 484,890.48/x
  3. Step 3: Cross multiply
    534,720.06x = 802,413 × 484,890.48
  4. Step 4: Simplify right side
    534,720.06x = 389,082,424,728.24
  5. Step 5: Solve for x
    x = 389,082,424,728.24/534,720.06
  6. Step 6: Final answer
    x = 727,637.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.