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Finding the Fourth Proportional to 605,090.21, 835,018.35 and 333,152.96

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Solution

The fourth proportional to 605,090.21, 835,018.35 and 333,152.96 is: 459,747.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,090.21 : 835,018.35 = 333,152.96 : x
  2. Step 2: Convert to fraction form
    605,090.21/835,018.35 = 333,152.96/x
  3. Step 3: Cross multiply
    605,090.21x = 835,018.35 × 333,152.96
  4. Step 4: Simplify right side
    605,090.21x = 278,188,834,956.82
  5. Step 5: Solve for x
    x = 278,188,834,956.82/605,090.21
  6. Step 6: Final answer
    x = 459,747.70

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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.