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Finding the Fourth Proportional to 826,692, 1,240,049.52 and 235,716

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Solution

The fourth proportional to 826,692, 1,240,049.52 and 235,716 is: 353,577.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,692 : 1,240,049.52 = 235,716 : x
  2. Step 2: Convert to fraction form
    826,692/1,240,049.52 = 235,716/x
  3. Step 3: Cross multiply
    826,692x = 1,240,049.52 × 235,716
  4. Step 4: Simplify right side
    826,692x = 292,299,512,656.32
  5. Step 5: Solve for x
    x = 292,299,512,656.32/826,692
  6. Step 6: Final answer
    x = 353,577.28

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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.