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Finding the Fourth Proportional to 541,644.00, 747,459.53 and 299,921.37

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Solution

The fourth proportional to 541,644.00, 747,459.53 and 299,921.37 is: 413,886.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,644.00 : 747,459.53 = 299,921.37 : x
  2. Step 2: Convert to fraction form
    541,644.00/747,459.53 = 299,921.37/x
  3. Step 3: Cross multiply
    541,644.00x = 747,459.53 × 299,921.37
  4. Step 4: Simplify right side
    541,644.00x = 224,179,083,079.28
  5. Step 5: Solve for x
    x = 224,179,083,079.28/541,644.00
  6. Step 6: Final answer
    x = 413,886.40

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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.