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Finding the Fourth Proportional to 404,308.40, 605,991.00 and 304,146.53

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Solution

The fourth proportional to 404,308.40, 605,991.00 and 304,146.53 is: 455,865.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,308.40 : 605,991.00 = 304,146.53 : x
  2. Step 2: Convert to fraction form
    404,308.40/605,991.00 = 304,146.53/x
  3. Step 3: Cross multiply
    404,308.40x = 605,991.00 × 304,146.53
  4. Step 4: Simplify right side
    404,308.40x = 184,310,060,244.29
  5. Step 5: Solve for x
    x = 184,310,060,244.29/404,308.40
  6. Step 6: Final answer
    x = 455,865.03

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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.