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Finding the Fourth Proportional to 1,867,569.58, 2,802,229.26 and 920,423.62

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Solution

The fourth proportional to 1,867,569.58, 2,802,229.26 and 920,423.62 is: 1,381,066.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,867,569.58 : 2,802,229.26 = 920,423.62 : x
  2. Step 2: Convert to fraction form
    1,867,569.58/2,802,229.26 = 920,423.62/x
  3. Step 3: Cross multiply
    1,867,569.58x = 2,802,229.26 × 920,423.62
  4. Step 4: Simplify right side
    1,867,569.58x = 2,579,237,999,559.12
  5. Step 5: Solve for x
    x = 2,579,237,999,559.12/1,867,569.58
  6. Step 6: Final answer
    x = 1,381,066.62

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.