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Finding the Fourth Proportional to 575,494.05, 794,334.96 and 339,954.28

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Solution

The fourth proportional to 575,494.05, 794,334.96 and 339,954.28 is: 469,227.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,494.05 : 794,334.96 = 339,954.28 : x
  2. Step 2: Convert to fraction form
    575,494.05/794,334.96 = 339,954.28/x
  3. Step 3: Cross multiply
    575,494.05x = 794,334.96 × 339,954.28
  4. Step 4: Simplify right side
    575,494.05x = 270,037,569,734.31
  5. Step 5: Solve for x
    x = 270,037,569,734.31/575,494.05
  6. Step 6: Final answer
    x = 469,227.39

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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.