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Finding the Fourth Proportional to 576,030.95, 794,967.41 and 317,958.47

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Solution

The fourth proportional to 576,030.95, 794,967.41 and 317,958.47 is: 438,807.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,030.95 : 794,967.41 = 317,958.47 : x
  2. Step 2: Convert to fraction form
    576,030.95/794,967.41 = 317,958.47/x
  3. Step 3: Cross multiply
    576,030.95x = 794,967.41 × 317,958.47
  4. Step 4: Simplify right side
    576,030.95x = 252,766,621,383.46
  5. Step 5: Solve for x
    x = 252,766,621,383.46/576,030.95
  6. Step 6: Final answer
    x = 438,807.36

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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.