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Finding the Fourth Proportional to 418,493.52, 577,566.21 and 237,185.99

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Solution

The fourth proportional to 418,493.52, 577,566.21 and 237,185.99 is: 327,342.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,493.52 : 577,566.21 = 237,185.99 : x
  2. Step 2: Convert to fraction form
    418,493.52/577,566.21 = 237,185.99/x
  3. Step 3: Cross multiply
    418,493.52x = 577,566.21 × 237,185.99
  4. Step 4: Simplify right side
    418,493.52x = 136,990,609,828.60
  5. Step 5: Solve for x
    x = 136,990,609,828.60/418,493.52
  6. Step 6: Final answer
    x = 327,342.25

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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.