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Finding the Fourth Proportional to 294,645.60, 441,968.40 and 194,918.40

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Solution

The fourth proportional to 294,645.60, 441,968.40 and 194,918.40 is: 292,377.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,645.60 : 441,968.40 = 194,918.40 : x
  2. Step 2: Convert to fraction form
    294,645.60/441,968.40 = 194,918.40/x
  3. Step 3: Cross multiply
    294,645.60x = 441,968.40 × 194,918.40
  4. Step 4: Simplify right side
    294,645.60x = 86,147,773,378.56
  5. Step 5: Solve for x
    x = 86,147,773,378.56/294,645.60
  6. Step 6: Final answer
    x = 292,377.60

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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.