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Finding the Fourth Proportional to 576,750.07, 795,912.60 and 318,627.01

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Solution

The fourth proportional to 576,750.07, 795,912.60 and 318,627.01 is: 439,703.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,750.07 : 795,912.60 = 318,627.01 : x
  2. Step 2: Convert to fraction form
    576,750.07/795,912.60 = 318,627.01/x
  3. Step 3: Cross multiply
    576,750.07x = 795,912.60 × 318,627.01
  4. Step 4: Simplify right side
    576,750.07x = 253,599,251,959.33
  5. Step 5: Solve for x
    x = 253,599,251,959.33/576,750.07
  6. Step 6: Final answer
    x = 439,703.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.