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Finding the Fourth Proportional to 540,968.62, 811,526.76 and 225,351.72

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Solution

The fourth proportional to 540,968.62, 811,526.76 and 225,351.72 is: 338,058.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,968.62 : 811,526.76 = 225,351.72 : x
  2. Step 2: Convert to fraction form
    540,968.62/811,526.76 = 225,351.72/x
  3. Step 3: Cross multiply
    540,968.62x = 811,526.76 × 225,351.72
  4. Step 4: Simplify right side
    540,968.62x = 182,878,951,192.03
  5. Step 5: Solve for x
    x = 182,878,951,192.03/540,968.62
  6. Step 6: Final answer
    x = 338,058.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.