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Finding the Fourth Proportional to 497,108.56, 685,775.28 and 336,019.84

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Solution

The fourth proportional to 497,108.56, 685,775.28 and 336,019.84 is: 463,548.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,108.56 : 685,775.28 = 336,019.84 : x
  2. Step 2: Convert to fraction form
    497,108.56/685,775.28 = 336,019.84/x
  3. Step 3: Cross multiply
    497,108.56x = 685,775.28 × 336,019.84
  4. Step 4: Simplify right side
    497,108.56x = 230,434,099,861.56
  5. Step 5: Solve for x
    x = 230,434,099,861.56/497,108.56
  6. Step 6: Final answer
    x = 463,548.85

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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.