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Finding the Fourth Proportional to 1,047,872, 1,446,063.36 and 570,944

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Solution

The fourth proportional to 1,047,872, 1,446,063.36 and 570,944 is: 787,902.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,872 : 1,446,063.36 = 570,944 : x
  2. Step 2: Convert to fraction form
    1,047,872/1,446,063.36 = 570,944/x
  3. Step 3: Cross multiply
    1,047,872x = 1,446,063.36 × 570,944
  4. Step 4: Simplify right side
    1,047,872x = 825,621,199,011.84
  5. Step 5: Solve for x
    x = 825,621,199,011.84/1,047,872
  6. Step 6: Final answer
    x = 787,902.72

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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.