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Finding the Fourth Proportional to 579,330.52, 799,509 and 324,698.14

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Solution

The fourth proportional to 579,330.52, 799,509 and 324,698.14 is: 448,101.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,330.52 : 799,509 = 324,698.14 : x
  2. Step 2: Convert to fraction form
    579,330.52/799,509 = 324,698.14/x
  3. Step 3: Cross multiply
    579,330.52x = 799,509 × 324,698.14
  4. Step 4: Simplify right side
    579,330.52x = 259,599,085,213.26
  5. Step 5: Solve for x
    x = 259,599,085,213.26/579,330.52
  6. Step 6: Final answer
    x = 448,101.86

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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.