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Finding the Fourth Proportional to 886,783, 1,223,760.68 and 484,375

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Solution

The fourth proportional to 886,783, 1,223,760.68 and 484,375 is: 668,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,783 : 1,223,760.68 = 484,375 : x
  2. Step 2: Convert to fraction form
    886,783/1,223,760.68 = 484,375/x
  3. Step 3: Cross multiply
    886,783x = 1,223,760.68 × 484,375
  4. Step 4: Simplify right side
    886,783x = 592,759,079,375
  5. Step 5: Solve for x
    x = 592,759,079,375/886,783
  6. Step 6: Final answer
    x = 668,437.58

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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.