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Finding the Fourth Proportional to 333,018.82, 459,608.06 and 218,393.92

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Solution

The fourth proportional to 333,018.82, 459,608.06 and 218,393.92 is: 301,411.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,018.82 : 459,608.06 = 218,393.92 : x
  2. Step 2: Convert to fraction form
    333,018.82/459,608.06 = 218,393.92/x
  3. Step 3: Cross multiply
    333,018.82x = 459,608.06 × 218,393.92
  4. Step 4: Simplify right side
    333,018.82x = 100,375,605,887.00
  5. Step 5: Solve for x
    x = 100,375,605,887.00/333,018.82
  6. Step 6: Final answer
    x = 301,411.21

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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.