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Finding the Fourth Proportional to 1,666,491.72, 2,299,805.82 and 941,370

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Solution

The fourth proportional to 1,666,491.72, 2,299,805.82 and 941,370 is: 1,299,117.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,666,491.72 : 2,299,805.82 = 941,370 : x
  2. Step 2: Convert to fraction form
    1,666,491.72/2,299,805.82 = 941,370/x
  3. Step 3: Cross multiply
    1,666,491.72x = 2,299,805.82 × 941,370
  4. Step 4: Simplify right side
    1,666,491.72x = 2,164,968,204,773.40
  5. Step 5: Solve for x
    x = 2,164,968,204,773.40/1,666,491.72
  6. Step 6: Final answer
    x = 1,299,117.29

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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.