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Finding the Fourth Proportional to 587,770.20, 880,877.70 and 520,896.60

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Solution

The fourth proportional to 587,770.20, 880,877.70 and 520,896.60 is: 780,655.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,770.20 : 880,877.70 = 520,896.60 : x
  2. Step 2: Convert to fraction form
    587,770.20/880,877.70 = 520,896.60/x
  3. Step 3: Cross multiply
    587,770.20x = 880,877.70 × 520,896.60
  4. Step 4: Simplify right side
    587,770.20x = 458,846,198,945.82
  5. Step 5: Solve for x
    x = 458,846,198,945.82/587,770.20
  6. Step 6: Final answer
    x = 780,655.77

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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.