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Finding the Fourth Proportional to 934,276.55, 1,401,414.83 and 842,750.60

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Solution

The fourth proportional to 934,276.55, 1,401,414.83 and 842,750.60 is: 1,264,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,276.55 : 1,401,414.83 = 842,750.60 : x
  2. Step 2: Convert to fraction form
    934,276.55/1,401,414.83 = 842,750.60/x
  3. Step 3: Cross multiply
    934,276.55x = 1,401,414.83 × 842,750.60
  4. Step 4: Simplify right side
    934,276.55x = 1,181,043,184,617.65
  5. Step 5: Solve for x
    x = 1,181,043,184,617.65/934,276.55
  6. Step 6: Final answer
    x = 1,264,125.90

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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.