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Finding the Fourth Proportional to 460,305.89, 690,442.50 and 140,444.84

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Solution

The fourth proportional to 460,305.89, 690,442.50 and 140,444.84 is: 210,662.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,305.89 : 690,442.50 = 140,444.84 : x
  2. Step 2: Convert to fraction form
    460,305.89/690,442.50 = 140,444.84/x
  3. Step 3: Cross multiply
    460,305.89x = 690,442.50 × 140,444.84
  4. Step 4: Simplify right side
    460,305.89x = 96,969,082,989.49
  5. Step 5: Solve for x
    x = 96,969,082,989.49/460,305.89
  6. Step 6: Final answer
    x = 210,662.27

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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.