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Finding the Fourth Proportional to 901,915.48, 1,241,810.76 and 765,667

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Solution

The fourth proportional to 901,915.48, 1,241,810.76 and 765,667 is: 1,054,215.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,915.48 : 1,241,810.76 = 765,667 : x
  2. Step 2: Convert to fraction form
    901,915.48/1,241,810.76 = 765,667/x
  3. Step 3: Cross multiply
    901,915.48x = 1,241,810.76 × 765,667
  4. Step 4: Simplify right side
    901,915.48x = 950,813,519,176.92
  5. Step 5: Solve for x
    x = 950,813,519,176.92/901,915.48
  6. Step 6: Final answer
    x = 1,054,215.77

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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.