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Finding the Fourth Proportional to 571,511.85, 857,202.12 and 150,820.53

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Solution

The fourth proportional to 571,511.85, 857,202.12 and 150,820.53 is: 226,213.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,511.85 : 857,202.12 = 150,820.53 : x
  2. Step 2: Convert to fraction form
    571,511.85/857,202.12 = 150,820.53/x
  3. Step 3: Cross multiply
    571,511.85x = 857,202.12 × 150,820.53
  4. Step 4: Simplify right side
    571,511.85x = 129,283,678,055.52
  5. Step 5: Solve for x
    x = 129,283,678,055.52/571,511.85
  6. Step 6: Final answer
    x = 226,213.47

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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.