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Finding the Fourth Proportional to 569,627.19, 786,083.49 and 321,249.42

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Solution

The fourth proportional to 569,627.19, 786,083.49 and 321,249.42 is: 443,323.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,627.19 : 786,083.49 = 321,249.42 : x
  2. Step 2: Convert to fraction form
    569,627.19/786,083.49 = 321,249.42/x
  3. Step 3: Cross multiply
    569,627.19x = 786,083.49 × 321,249.42
  4. Step 4: Simplify right side
    569,627.19x = 252,528,865,234.08
  5. Step 5: Solve for x
    x = 252,528,865,234.08/569,627.19
  6. Step 6: Final answer
    x = 443,323.05

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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.