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Finding the Fourth Proportional to 579,904, 800,268.98 and 338,352.64

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Solution

The fourth proportional to 579,904, 800,268.98 and 338,352.64 is: 466,927.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,904 : 800,268.98 = 338,352.64 : x
  2. Step 2: Convert to fraction form
    579,904/800,268.98 = 338,352.64/x
  3. Step 3: Cross multiply
    579,904x = 800,268.98 × 338,352.64
  4. Step 4: Simplify right side
    579,904x = 270,773,122,093.11
  5. Step 5: Solve for x
    x = 270,773,122,093.11/579,904
  6. Step 6: Final answer
    x = 466,927.50

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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.