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Finding the Fourth Proportional to 1,895,764.56, 2,616,149.16 and 1,036,325.20

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Solution

The fourth proportional to 1,895,764.56, 2,616,149.16 and 1,036,325.20 is: 1,430,125.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,895,764.56 : 2,616,149.16 = 1,036,325.20 : x
  2. Step 2: Convert to fraction form
    1,895,764.56/2,616,149.16 = 1,036,325.20/x
  3. Step 3: Cross multiply
    1,895,764.56x = 2,616,149.16 × 1,036,325.20
  4. Step 4: Simplify right side
    1,895,764.56x = 2,711,181,301,466.83
  5. Step 5: Solve for x
    x = 2,711,181,301,466.83/1,895,764.56
  6. Step 6: Final answer
    x = 1,430,125.53

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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.