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Finding the Fourth Proportional to 604,742.56, 907,674.34 and 305,433.33

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Solution

The fourth proportional to 604,742.56, 907,674.34 and 305,433.33 is: 458,433.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,742.56 : 907,674.34 = 305,433.33 : x
  2. Step 2: Convert to fraction form
    604,742.56/907,674.34 = 305,433.33/x
  3. Step 3: Cross multiply
    604,742.56x = 907,674.34 × 305,433.33
  4. Step 4: Simplify right side
    604,742.56x = 277,233,996,221.75
  5. Step 5: Solve for x
    x = 277,233,996,221.75/604,742.56
  6. Step 6: Final answer
    x = 458,433.08

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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.