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Finding the Fourth Proportional to 541,644.60, 747,460.41 and 299,921.98

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Solution

The fourth proportional to 541,644.60, 747,460.41 and 299,921.98 is: 413,887.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,644.60 : 747,460.41 = 299,921.98 : x
  2. Step 2: Convert to fraction form
    541,644.60/747,460.41 = 299,921.98/x
  3. Step 3: Cross multiply
    541,644.60x = 747,460.41 × 299,921.98
  4. Step 4: Simplify right side
    541,644.60x = 224,179,806,138.81
  5. Step 5: Solve for x
    x = 224,179,806,138.81/541,644.60
  6. Step 6: Final answer
    x = 413,887.27

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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.