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Finding the Fourth Proportional to 920,292.64, 1,269,808.62 and 580,564

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Solution

The fourth proportional to 920,292.64, 1,269,808.62 and 580,564 is: 801,055.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,292.64 : 1,269,808.62 = 580,564 : x
  2. Step 2: Convert to fraction form
    920,292.64/1,269,808.62 = 580,564/x
  3. Step 3: Cross multiply
    920,292.64x = 1,269,808.62 × 580,564
  4. Step 4: Simplify right side
    920,292.64x = 737,205,171,661.68
  5. Step 5: Solve for x
    x = 737,205,171,661.68/920,292.64
  6. Step 6: Final answer
    x = 801,055.16

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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.