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Finding the Fourth Proportional to 436,184.40, 653,790.60 and 169,856.40

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Solution

The fourth proportional to 436,184.40, 653,790.60 and 169,856.40 is: 254,595.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,184.40 : 653,790.60 = 169,856.40 : x
  2. Step 2: Convert to fraction form
    436,184.40/653,790.60 = 169,856.40/x
  3. Step 3: Cross multiply
    436,184.40x = 653,790.60 × 169,856.40
  4. Step 4: Simplify right side
    436,184.40x = 111,050,517,669.84
  5. Step 5: Solve for x
    x = 111,050,517,669.84/436,184.40
  6. Step 6: Final answer
    x = 254,595.34

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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.