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Finding the Fourth Proportional to 569,634.69, 786,093.84 and 321,256.92

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Solution

The fourth proportional to 569,634.69, 786,093.84 and 321,256.92 is: 443,333.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,634.69 : 786,093.84 = 321,256.92 : x
  2. Step 2: Convert to fraction form
    569,634.69/786,093.84 = 321,256.92/x
  3. Step 3: Cross multiply
    569,634.69x = 786,093.84 × 321,256.92
  4. Step 4: Simplify right side
    569,634.69x = 252,538,085,869.37
  5. Step 5: Solve for x
    x = 252,538,085,869.37/569,634.69
  6. Step 6: Final answer
    x = 443,333.40

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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.