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Finding the Fourth Proportional to 604,974.60, 907,461.90 and 511,662.60

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Solution

The fourth proportional to 604,974.60, 907,461.90 and 511,662.60 is: 767,493.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,974.60 : 907,461.90 = 511,662.60 : x
  2. Step 2: Convert to fraction form
    604,974.60/907,461.90 = 511,662.60/x
  3. Step 3: Cross multiply
    604,974.60x = 907,461.90 × 511,662.60
  4. Step 4: Simplify right side
    604,974.60x = 464,314,315,154.94
  5. Step 5: Solve for x
    x = 464,314,315,154.94/604,974.60
  6. Step 6: Final answer
    x = 767,493.90

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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.