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Finding the Fourth Proportional to 1,862,787, 2,794,206.42 and 533,091

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Solution

The fourth proportional to 1,862,787, 2,794,206.42 and 533,091 is: 799,643.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,862,787 : 2,794,206.42 = 533,091 : x
  2. Step 2: Convert to fraction form
    1,862,787/2,794,206.42 = 533,091/x
  3. Step 3: Cross multiply
    1,862,787x = 2,794,206.42 × 533,091
  4. Step 4: Simplify right side
    1,862,787x = 1,489,566,294,644.22
  5. Step 5: Solve for x
    x = 1,489,566,294,644.22/1,862,787
  6. Step 6: Final answer
    x = 799,643.92

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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.