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Finding the Fourth Proportional to 418,526.93, 577,564.32 and 227,540.32

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Solution

The fourth proportional to 418,526.93, 577,564.32 and 227,540.32 is: 314,004.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,526.93 : 577,564.32 = 227,540.32 : x
  2. Step 2: Convert to fraction form
    418,526.93/577,564.32 = 227,540.32/x
  3. Step 3: Cross multiply
    418,526.93x = 577,564.32 × 227,540.32
  4. Step 4: Simplify right side
    418,526.93x = 131,419,172,851.55
  5. Step 5: Solve for x
    x = 131,419,172,851.55/418,526.93
  6. Step 6: Final answer
    x = 314,004.10

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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.