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Finding the Fourth Proportional to 723,652.37, 997,986.79 and 451,745.50

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Solution

The fourth proportional to 723,652.37, 997,986.79 and 451,745.50 is: 623,000.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,652.37 : 997,986.79 = 451,745.50 : x
  2. Step 2: Convert to fraction form
    723,652.37/997,986.79 = 451,745.50/x
  3. Step 3: Cross multiply
    723,652.37x = 997,986.79 × 451,745.50
  4. Step 4: Simplify right side
    723,652.37x = 450,836,034,193.28
  5. Step 5: Solve for x
    x = 450,836,034,193.28/723,652.37
  6. Step 6: Final answer
    x = 623,000.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.