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Finding the Fourth Proportional to 441,326.80, 662,263.80 and 231,115.60

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Solution

The fourth proportional to 441,326.80, 662,263.80 and 231,115.60 is: 346,816.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,326.80 : 662,263.80 = 231,115.60 : x
  2. Step 2: Convert to fraction form
    441,326.80/662,263.80 = 231,115.60/x
  3. Step 3: Cross multiply
    441,326.80x = 662,263.80 × 231,115.60
  4. Step 4: Simplify right side
    441,326.80x = 153,059,495,495.28
  5. Step 5: Solve for x
    x = 153,059,495,495.28/441,326.80
  6. Step 6: Final answer
    x = 346,816.68

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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.