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Finding the Fourth Proportional to 333,027.36, 459,619.74 and 218,402.40

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Solution

The fourth proportional to 333,027.36, 459,619.74 and 218,402.40 is: 301,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,027.36 : 459,619.74 = 218,402.40 : x
  2. Step 2: Convert to fraction form
    333,027.36/459,619.74 = 218,402.40/x
  3. Step 3: Cross multiply
    333,027.36x = 459,619.74 × 218,402.40
  4. Step 4: Simplify right side
    333,027.36x = 100,382,054,303.38
  5. Step 5: Solve for x
    x = 100,382,054,303.38/333,027.36
  6. Step 6: Final answer
    x = 301,422.84

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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.