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Finding the Fourth Proportional to 426,321.63, 588,233.75 and 245,019.33

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Solution

The fourth proportional to 426,321.63, 588,233.75 and 245,019.33 is: 338,074.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,321.63 : 588,233.75 = 245,019.33 : x
  2. Step 2: Convert to fraction form
    426,321.63/588,233.75 = 245,019.33/x
  3. Step 3: Cross multiply
    426,321.63x = 588,233.75 × 245,019.33
  4. Step 4: Simplify right side
    426,321.63x = 144,128,638,083.29
  5. Step 5: Solve for x
    x = 144,128,638,083.29/426,321.63
  6. Step 6: Final answer
    x = 338,074.89

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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.