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Finding the Fourth Proportional to 601,268.88, 829,352.31 and 386,680.44

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Solution

The fourth proportional to 601,268.88, 829,352.31 and 386,680.44 is: 533,362.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,268.88 : 829,352.31 = 386,680.44 : x
  2. Step 2: Convert to fraction form
    601,268.88/829,352.31 = 386,680.44/x
  3. Step 3: Cross multiply
    601,268.88x = 829,352.31 × 386,680.44
  4. Step 4: Simplify right side
    601,268.88x = 320,694,316,145.82
  5. Step 5: Solve for x
    x = 320,694,316,145.82/601,268.88
  6. Step 6: Final answer
    x = 533,362.57

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1.5x scale

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.