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Finding the Fourth Proportional to 572,847.24, 789,877 and 365,836.76

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Solution

The fourth proportional to 572,847.24, 789,877 and 365,836.76 is: 504,438.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,847.24 : 789,877 = 365,836.76 : x
  2. Step 2: Convert to fraction form
    572,847.24/789,877 = 365,836.76/x
  3. Step 3: Cross multiply
    572,847.24x = 789,877 × 365,836.76
  4. Step 4: Simplify right side
    572,847.24x = 288,966,042,478.52
  5. Step 5: Solve for x
    x = 288,966,042,478.52/572,847.24
  6. Step 6: Final answer
    x = 504,438.22

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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.