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Finding the Fourth Proportional to 504,448.59, 754,803.82 and 404,305.05

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Solution

The fourth proportional to 504,448.59, 754,803.82 and 404,305.05 is: 604,959.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,448.59 : 754,803.82 = 404,305.05 : x
  2. Step 2: Convert to fraction form
    504,448.59/754,803.82 = 404,305.05/x
  3. Step 3: Cross multiply
    504,448.59x = 754,803.82 × 404,305.05
  4. Step 4: Simplify right side
    504,448.59x = 305,170,997,246.97
  5. Step 5: Solve for x
    x = 305,170,997,246.97/504,448.59
  6. Step 6: Final answer
    x = 604,959.56

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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.