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Finding the Fourth Proportional to 590,984.98, 815,438.37 and 349,146.34

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Solution

The fourth proportional to 590,984.98, 815,438.37 and 349,146.34 is: 481,750.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,984.98 : 815,438.37 = 349,146.34 : x
  2. Step 2: Convert to fraction form
    590,984.98/815,438.37 = 349,146.34/x
  3. Step 3: Cross multiply
    590,984.98x = 815,438.37 × 349,146.34
  4. Step 4: Simplify right side
    590,984.98x = 284,707,322,381.07
  5. Step 5: Solve for x
    x = 284,707,322,381.07/590,984.98
  6. Step 6: Final answer
    x = 481,750.52

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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.