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Finding the Fourth Proportional to 366,301.66, 505,000.02 and 313,157.56

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Solution

The fourth proportional to 366,301.66, 505,000.02 and 313,157.56 is: 431,733.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,301.66 : 505,000.02 = 313,157.56 : x
  2. Step 2: Convert to fraction form
    366,301.66/505,000.02 = 313,157.56/x
  3. Step 3: Cross multiply
    366,301.66x = 505,000.02 × 313,157.56
  4. Step 4: Simplify right side
    366,301.66x = 158,144,574,063.15
  5. Step 5: Solve for x
    x = 158,144,574,063.15/366,301.66
  6. Step 6: Final answer
    x = 431,733.16

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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.