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Finding the Fourth Proportional to 440,219.42, 659,199.18 and 305,090.90

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Solution

The fourth proportional to 440,219.42, 659,199.18 and 305,090.90 is: 456,853.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,219.42 : 659,199.18 = 305,090.90 : x
  2. Step 2: Convert to fraction form
    440,219.42/659,199.18 = 305,090.90/x
  3. Step 3: Cross multiply
    440,219.42x = 659,199.18 × 305,090.90
  4. Step 4: Simplify right side
    440,219.42x = 201,115,671,105.46
  5. Step 5: Solve for x
    x = 201,115,671,105.46/440,219.42
  6. Step 6: Final answer
    x = 456,853.25

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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.