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Finding the Fourth Proportional to 604,980.39, 908,030.70 and 305,671.62

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Solution

The fourth proportional to 604,980.39, 908,030.70 and 305,671.62 is: 458,790.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,980.39 : 908,030.70 = 305,671.62 : x
  2. Step 2: Convert to fraction form
    604,980.39/908,030.70 = 305,671.62/x
  3. Step 3: Cross multiply
    604,980.39x = 908,030.70 × 305,671.62
  4. Step 4: Simplify right side
    604,980.39x = 277,559,215,078.73
  5. Step 5: Solve for x
    x = 277,559,215,078.73/604,980.39
  6. Step 6: Final answer
    x = 458,790.43

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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.