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Finding the Fourth Proportional to 560,725.60, 841,282.80 and 245,408.80

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Solution

The fourth proportional to 560,725.60, 841,282.80 and 245,408.80 is: 368,198.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,725.60 : 841,282.80 = 245,408.80 : x
  2. Step 2: Convert to fraction form
    560,725.60/841,282.80 = 245,408.80/x
  3. Step 3: Cross multiply
    560,725.60x = 841,282.80 × 245,408.80
  4. Step 4: Simplify right side
    560,725.60x = 206,458,202,408.64
  5. Step 5: Solve for x
    x = 206,458,202,408.64/560,725.60
  6. Step 6: Final answer
    x = 368,198.28

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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.