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Finding the Fourth Proportional to 453,788.92, 680,603.19 and 169,415.74

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Solution

The fourth proportional to 453,788.92, 680,603.19 and 169,415.74 is: 254,093.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,788.92 : 680,603.19 = 169,415.74 : x
  2. Step 2: Convert to fraction form
    453,788.92/680,603.19 = 169,415.74/x
  3. Step 3: Cross multiply
    453,788.92x = 680,603.19 × 169,415.74
  4. Step 4: Simplify right side
    453,788.92x = 115,304,893,080.21
  5. Step 5: Solve for x
    x = 115,304,893,080.21/453,788.92
  6. Step 6: Final answer
    x = 254,093.67

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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.