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Finding the Fourth Proportional to 579,701.80, 869,338.86 and 200,524.60

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Solution

The fourth proportional to 579,701.80, 869,338.86 and 200,524.60 is: 300,712.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,701.80 : 869,338.86 = 200,524.60 : x
  2. Step 2: Convert to fraction form
    579,701.80/869,338.86 = 200,524.60/x
  3. Step 3: Cross multiply
    579,701.80x = 869,338.86 × 200,524.60
  4. Step 4: Simplify right side
    579,701.80x = 174,323,827,165.96
  5. Step 5: Solve for x
    x = 174,323,827,165.96/579,701.80
  6. Step 6: Final answer
    x = 300,712.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.