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Finding the Fourth Proportional to 2,080,680, 3,121,020 and 584,772

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Solution

The fourth proportional to 2,080,680, 3,121,020 and 584,772 is: 877,158

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,680 : 3,121,020 = 584,772 : x
  2. Step 2: Convert to fraction form
    2,080,680/3,121,020 = 584,772/x
  3. Step 3: Cross multiply
    2,080,680x = 3,121,020 × 584,772
  4. Step 4: Simplify right side
    2,080,680x = 1,825,085,107,440
  5. Step 5: Solve for x
    x = 1,825,085,107,440/2,080,680
  6. Step 6: Final answer
    x = 877,158

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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.