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Finding the Fourth Proportional to 590,896.56, 815,436.56 and 349,266.28

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Solution

The fourth proportional to 590,896.56, 815,436.56 and 349,266.28 is: 481,987.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,896.56 : 815,436.56 = 349,266.28 : x
  2. Step 2: Convert to fraction form
    590,896.56/815,436.56 = 349,266.28/x
  3. Step 3: Cross multiply
    590,896.56x = 815,436.56 × 349,266.28
  4. Step 4: Simplify right side
    590,896.56x = 284,804,493,887.20
  5. Step 5: Solve for x
    x = 284,804,493,887.20/590,896.56
  6. Step 6: Final answer
    x = 481,987.06

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1.5x scale

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.