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Finding the Fourth Proportional to 533,991.77, 800,885.56 and 160,014.77

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Solution

The fourth proportional to 533,991.77, 800,885.56 and 160,014.77 is: 239,991.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,991.77 : 800,885.56 = 160,014.77 : x
  2. Step 2: Convert to fraction form
    533,991.77/800,885.56 = 160,014.77/x
  3. Step 3: Cross multiply
    533,991.77x = 800,885.56 × 160,014.77
  4. Step 4: Simplify right side
    533,991.77x = 128,153,518,679.72
  5. Step 5: Solve for x
    x = 128,153,518,679.72/533,991.77
  6. Step 6: Final answer
    x = 239,991.56

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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.