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Finding the Fourth Proportional to 372,425.76, 557,561.43 and 333,967.35

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Solution

The fourth proportional to 372,425.76, 557,561.43 and 333,967.35 is: 499,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,425.76 : 557,561.43 = 333,967.35 : x
  2. Step 2: Convert to fraction form
    372,425.76/557,561.43 = 333,967.35/x
  3. Step 3: Cross multiply
    372,425.76x = 557,561.43 × 333,967.35
  4. Step 4: Simplify right side
    372,425.76x = 186,207,313,239.31
  5. Step 5: Solve for x
    x = 186,207,313,239.31/372,425.76
  6. Step 6: Final answer
    x = 499,985.05

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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.