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Finding the Fourth Proportional to 1,799,476.56, 2,483,282.57 and 983,690.01

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Solution

The fourth proportional to 1,799,476.56, 2,483,282.57 and 983,690.01 is: 1,357,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,799,476.56 : 2,483,282.57 = 983,690.01 : x
  2. Step 2: Convert to fraction form
    1,799,476.56/2,483,282.57 = 983,690.01/x
  3. Step 3: Cross multiply
    1,799,476.56x = 2,483,282.57 × 983,690.01
  4. Step 4: Simplify right side
    1,799,476.56x = 2,442,780,251,197.68
  5. Step 5: Solve for x
    x = 2,442,780,251,197.68/1,799,476.56
  6. Step 6: Final answer
    x = 1,357,494.90

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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.