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Finding the Fourth Proportional to 546,529.45, 819,818.76 and 167,422.51

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Solution

The fourth proportional to 546,529.45, 819,818.76 and 167,422.51 is: 251,141.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,529.45 : 819,818.76 = 167,422.51 : x
  2. Step 2: Convert to fraction form
    546,529.45/819,818.76 = 167,422.51/x
  3. Step 3: Cross multiply
    546,529.45x = 819,818.76 × 167,422.51
  4. Step 4: Simplify right side
    546,529.45x = 137,256,114,544.29
  5. Step 5: Solve for x
    x = 137,256,114,544.29/546,529.45
  6. Step 6: Final answer
    x = 251,141.30

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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.