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Finding the Fourth Proportional to 541,974.60, 747,903.60 and 300,260.94

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Solution

The fourth proportional to 541,974.60, 747,903.60 and 300,260.94 is: 414,348.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,974.60 : 747,903.60 = 300,260.94 : x
  2. Step 2: Convert to fraction form
    541,974.60/747,903.60 = 300,260.94/x
  3. Step 3: Cross multiply
    541,974.60x = 747,903.60 × 300,260.94
  4. Step 4: Simplify right side
    541,974.60x = 224,566,237,965.38
  5. Step 5: Solve for x
    x = 224,566,237,965.38/541,974.60
  6. Step 6: Final answer
    x = 414,348.27

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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.