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Finding the Fourth Proportional to 321,057.68, 481,591.20 and 152,595.19

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Solution

The fourth proportional to 321,057.68, 481,591.20 and 152,595.19 is: 228,895.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,057.68 : 481,591.20 = 152,595.19 : x
  2. Step 2: Convert to fraction form
    321,057.68/481,591.20 = 152,595.19/x
  3. Step 3: Cross multiply
    321,057.68x = 481,591.20 × 152,595.19
  4. Step 4: Simplify right side
    321,057.68x = 73,488,501,840.55
  5. Step 5: Solve for x
    x = 73,488,501,840.55/321,057.68
  6. Step 6: Final answer
    x = 228,895.02

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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.