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Finding the Fourth Proportional to 533,980.76, 801,091.11 and 178,985.70

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Solution

The fourth proportional to 533,980.76, 801,091.11 and 178,985.70 is: 268,518.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,980.76 : 801,091.11 = 178,985.70 : x
  2. Step 2: Convert to fraction form
    533,980.76/801,091.11 = 178,985.70/x
  3. Step 3: Cross multiply
    533,980.76x = 801,091.11 × 178,985.70
  4. Step 4: Simplify right side
    533,980.76x = 143,383,853,758.32
  5. Step 5: Solve for x
    x = 143,383,853,758.32/533,980.76
  6. Step 6: Final answer
    x = 268,518.77

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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.