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Finding the Fourth Proportional to 1,562,660, 2,156,470.80 and 847,268

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Solution

The fourth proportional to 1,562,660, 2,156,470.80 and 847,268 is: 1,169,229.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,562,660 : 2,156,470.80 = 847,268 : x
  2. Step 2: Convert to fraction form
    1,562,660/2,156,470.80 = 847,268/x
  3. Step 3: Cross multiply
    1,562,660x = 2,156,470.80 × 847,268
  4. Step 4: Simplify right side
    1,562,660x = 1,827,108,701,774.40
  5. Step 5: Solve for x
    x = 1,827,108,701,774.40/1,562,660
  6. Step 6: Final answer
    x = 1,169,229.84

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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.