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Finding the Fourth Proportional to 468,419.51, 702,198.72 and 168,826.77

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Solution

The fourth proportional to 468,419.51, 702,198.72 and 168,826.77 is: 253,084.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,419.51 : 702,198.72 = 168,826.77 : x
  2. Step 2: Convert to fraction form
    468,419.51/702,198.72 = 168,826.77/x
  3. Step 3: Cross multiply
    468,419.51x = 702,198.72 × 168,826.77
  4. Step 4: Simplify right side
    468,419.51x = 118,549,941,795.73
  5. Step 5: Solve for x
    x = 118,549,941,795.73/468,419.51
  6. Step 6: Final answer
    x = 253,084.98

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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.