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Finding the Fourth Proportional to 574,139.60, 860,863.80 and 294,203.60

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Solution

The fourth proportional to 574,139.60, 860,863.80 and 294,203.60 is: 441,128.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,139.60 : 860,863.80 = 294,203.60 : x
  2. Step 2: Convert to fraction form
    574,139.60/860,863.80 = 294,203.60/x
  3. Step 3: Cross multiply
    574,139.60x = 860,863.80 × 294,203.60
  4. Step 4: Simplify right side
    574,139.60x = 253,269,229,069.68
  5. Step 5: Solve for x
    x = 253,269,229,069.68/574,139.60
  6. Step 6: Final answer
    x = 441,128.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.