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Finding the Fourth Proportional to 541,945.60, 747,930.87 and 300,303.97

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Solution

The fourth proportional to 541,945.60, 747,930.87 and 300,303.97 is: 414,444.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,945.60 : 747,930.87 = 300,303.97 : x
  2. Step 2: Convert to fraction form
    541,945.60/747,930.87 = 300,303.97/x
  3. Step 3: Cross multiply
    541,945.60x = 747,930.87 × 300,303.97
  4. Step 4: Simplify right side
    541,945.60x = 224,606,609,546.55
  5. Step 5: Solve for x
    x = 224,606,609,546.55/541,945.60
  6. Step 6: Final answer
    x = 414,444.94

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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.