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Finding the Fourth Proportional to 460,241.44, 690,440.88 and 210,944.80

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Solution

The fourth proportional to 460,241.44, 690,440.88 and 210,944.80 is: 316,453.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,241.44 : 690,440.88 = 210,944.80 : x
  2. Step 2: Convert to fraction form
    460,241.44/690,440.88 = 210,944.80/x
  3. Step 3: Cross multiply
    460,241.44x = 690,440.88 × 210,944.80
  4. Step 4: Simplify right side
    460,241.44x = 145,644,913,343.42
  5. Step 5: Solve for x
    x = 145,644,913,343.42/460,241.44
  6. Step 6: Final answer
    x = 316,453.28

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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.