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Finding the Fourth Proportional to 1,167,345, 1,610,936.10 and 630,801

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Solution

The fourth proportional to 1,167,345, 1,610,936.10 and 630,801 is: 870,505.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,167,345 : 1,610,936.10 = 630,801 : x
  2. Step 2: Convert to fraction form
    1,167,345/1,610,936.10 = 630,801/x
  3. Step 3: Cross multiply
    1,167,345x = 1,610,936.10 × 630,801
  4. Step 4: Simplify right side
    1,167,345x = 1,016,180,102,816.10
  5. Step 5: Solve for x
    x = 1,016,180,102,816.10/1,167,345
  6. Step 6: Final answer
    x = 870,505.38

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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.