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Finding the Fourth Proportional to 541,686.36, 747,526.51 and 299,968.64

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Solution

The fourth proportional to 541,686.36, 747,526.51 and 299,968.64 is: 413,956.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,686.36 : 747,526.51 = 299,968.64 : x
  2. Step 2: Convert to fraction form
    541,686.36/747,526.51 = 299,968.64/x
  3. Step 3: Cross multiply
    541,686.36x = 747,526.51 × 299,968.64
  4. Step 4: Simplify right side
    541,686.36x = 224,234,512,212.03
  5. Step 5: Solve for x
    x = 224,234,512,212.03/541,686.36
  6. Step 6: Final answer
    x = 413,956.35

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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.