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Finding the Fourth Proportional to 460,447.98, 690,765.72 and 194,209.48

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Solution

The fourth proportional to 460,447.98, 690,765.72 and 194,209.48 is: 291,353.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,447.98 : 690,765.72 = 194,209.48 : x
  2. Step 2: Convert to fraction form
    460,447.98/690,765.72 = 194,209.48/x
  3. Step 3: Cross multiply
    460,447.98x = 690,765.72 × 194,209.48
  4. Step 4: Simplify right side
    460,447.98x = 134,153,251,283.03
  5. Step 5: Solve for x
    x = 134,153,251,283.03/460,447.98
  6. Step 6: Final answer
    x = 291,353.76

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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.