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Finding the Fourth Proportional to 579,372.56, 799,533.96 and 353,018.96

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Solution

The fourth proportional to 579,372.56, 799,533.96 and 353,018.96 is: 487,166.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,372.56 : 799,533.96 = 353,018.96 : x
  2. Step 2: Convert to fraction form
    579,372.56/799,533.96 = 353,018.96/x
  3. Step 3: Cross multiply
    579,372.56x = 799,533.96 × 353,018.96
  4. Step 4: Simplify right side
    579,372.56x = 282,250,647,043.88
  5. Step 5: Solve for x
    x = 282,250,647,043.88/579,372.56
  6. Step 6: Final answer
    x = 487,166.06

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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.