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Finding the Fourth Proportional to 1,895,969.96, 2,616,447.80 and 1,036,530.26

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Solution

The fourth proportional to 1,895,969.96, 2,616,447.80 and 1,036,530.26 is: 1,430,416.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895,969.96 : 2,616,447.80 = 1,036,530.26 : x
  2. Step 2: Convert to fraction form
    1,895,969.96/2,616,447.80 = 1,036,530.26/x
  3. Step 3: Cross multiply
    1,895,969.96x = 2,616,447.80 × 1,036,530.26
  4. Step 4: Simplify right side
    1,895,969.96x = 2,712,027,318,410.43
  5. Step 5: Solve for x
    x = 2,712,027,318,410.43/1,895,969.96
  6. Step 6: Final answer
    x = 1,430,416.82

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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.