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Finding the Fourth Proportional to 1,005,613, 1,387,772.22 and 546,758.44

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Solution

The fourth proportional to 1,005,613, 1,387,772.22 and 546,758.44 is: 754,540.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,613 : 1,387,772.22 = 546,758.44 : x
  2. Step 2: Convert to fraction form
    1,005,613/1,387,772.22 = 546,758.44/x
  3. Step 3: Cross multiply
    1,005,613x = 1,387,772.22 × 546,758.44
  4. Step 4: Simplify right side
    1,005,613x = 758,776,174,082.54
  5. Step 5: Solve for x
    x = 758,776,174,082.54/1,005,613
  6. Step 6: Final answer
    x = 754,540.94

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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.