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Finding the Fourth Proportional to 533,776.56, 800,779.06 and 196,818.18

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Solution

The fourth proportional to 533,776.56, 800,779.06 and 196,818.18 is: 295,269.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    533,776.56 : 800,779.06 = 196,818.18 : x
  2. Step 2: Convert to fraction form
    533,776.56/800,779.06 = 196,818.18/x
  3. Step 3: Cross multiply
    533,776.56x = 800,779.06 × 196,818.18
  4. Step 4: Simplify right side
    533,776.56x = 157,607,877,171.31
  5. Step 5: Solve for x
    x = 157,607,877,171.31/533,776.56
  6. Step 6: Final answer
    x = 295,269.39

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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.