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Finding the Fourth Proportional to 336,476.79, 504,713.16 and 83,755.98

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Solution

The fourth proportional to 336,476.79, 504,713.16 and 83,755.98 is: 125,633.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,476.79 : 504,713.16 = 83,755.98 : x
  2. Step 2: Convert to fraction form
    336,476.79/504,713.16 = 83,755.98/x
  3. Step 3: Cross multiply
    336,476.79x = 504,713.16 × 83,755.98
  4. Step 4: Simplify right side
    336,476.79x = 42,272,745,334.70
  5. Step 5: Solve for x
    x = 42,272,745,334.70/336,476.79
  6. Step 6: Final answer
    x = 125,633.47

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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.