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Finding the Fourth Proportional to 452,100.64, 678,036.76 and 167,634.88

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Solution

The fourth proportional to 452,100.64, 678,036.76 and 167,634.88 is: 251,409.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,100.64 : 678,036.76 = 167,634.88 : x
  2. Step 2: Convert to fraction form
    452,100.64/678,036.76 = 167,634.88/x
  3. Step 3: Cross multiply
    452,100.64x = 678,036.76 × 167,634.88
  4. Step 4: Simplify right side
    452,100.64x = 113,662,610,898.19
  5. Step 5: Solve for x
    x = 113,662,610,898.19/452,100.64
  6. Step 6: Final answer
    x = 251,409.98

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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.