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Finding the Fourth Proportional to 333,220.78, 459,366.33 and 237,561.40

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Solution

The fourth proportional to 333,220.78, 459,366.33 and 237,561.40 is: 327,493.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,220.78 : 459,366.33 = 237,561.40 : x
  2. Step 2: Convert to fraction form
    333,220.78/459,366.33 = 237,561.40/x
  3. Step 3: Cross multiply
    333,220.78x = 459,366.33 × 237,561.40
  4. Step 4: Simplify right side
    333,220.78x = 109,127,708,467.66
  5. Step 5: Solve for x
    x = 109,127,708,467.66/333,220.78
  6. Step 6: Final answer
    x = 327,493.71

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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.