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Finding the Fourth Proportional to 569,738.11, 786,343.76 and 366,043.66

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Solution

The fourth proportional to 569,738.11, 786,343.76 and 366,043.66 is: 505,207.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,738.11 : 786,343.76 = 366,043.66 : x
  2. Step 2: Convert to fraction form
    569,738.11/786,343.76 = 366,043.66/x
  3. Step 3: Cross multiply
    569,738.11x = 786,343.76 × 366,043.66
  4. Step 4: Simplify right side
    569,738.11x = 287,836,146,877.81
  5. Step 5: Solve for x
    x = 287,836,146,877.81/569,738.11
  6. Step 6: Final answer
    x = 505,207.82

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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.