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Finding the Fourth Proportional to 1,047,873, 1,446,064.74 and 570,945

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Solution

The fourth proportional to 1,047,873, 1,446,064.74 and 570,945 is: 787,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,873 : 1,446,064.74 = 570,945 : x
  2. Step 2: Convert to fraction form
    1,047,873/1,446,064.74 = 570,945/x
  3. Step 3: Cross multiply
    1,047,873x = 1,446,064.74 × 570,945
  4. Step 4: Simplify right side
    1,047,873x = 825,623,432,979.30
  5. Step 5: Solve for x
    x = 825,623,432,979.30/1,047,873
  6. Step 6: Final answer
    x = 787,904.10

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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.