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Finding the Fourth Proportional to 604,994.02, 908,052.12 and 305,684.78

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Solution

The fourth proportional to 604,994.02, 908,052.12 and 305,684.78 is: 458,810.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,994.02 : 908,052.12 = 305,684.78 : x
  2. Step 2: Convert to fraction form
    604,994.02/908,052.12 = 305,684.78/x
  3. Step 3: Cross multiply
    604,994.02x = 908,052.12 × 305,684.78
  4. Step 4: Simplify right side
    604,994.02x = 277,577,712,530.73
  5. Step 5: Solve for x
    x = 277,577,712,530.73/604,994.02
  6. Step 6: Final answer
    x = 458,810.67

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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.