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Finding the Fourth Proportional to 591,998.80, 887,998.20 and 534,859.60

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Solution

The fourth proportional to 591,998.80, 887,998.20 and 534,859.60 is: 802,289.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,998.80 : 887,998.20 = 534,859.60 : x
  2. Step 2: Convert to fraction form
    591,998.80/887,998.20 = 534,859.60/x
  3. Step 3: Cross multiply
    591,998.80x = 887,998.20 × 534,859.60
  4. Step 4: Simplify right side
    591,998.80x = 474,954,362,052.72
  5. Step 5: Solve for x
    x = 474,954,362,052.72/591,998.80
  6. Step 6: Final answer
    x = 802,289.40

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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.