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Finding the Fourth Proportional to 435,497.63, 653,246.46 and 119,954.57

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Solution

The fourth proportional to 435,497.63, 653,246.46 and 119,954.57 is: 179,931.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,497.63 : 653,246.46 = 119,954.57 : x
  2. Step 2: Convert to fraction form
    435,497.63/653,246.46 = 119,954.57/x
  3. Step 3: Cross multiply
    435,497.63x = 653,246.46 × 119,954.57
  4. Step 4: Simplify right side
    435,497.63x = 78,359,894,947.09
  5. Step 5: Solve for x
    x = 78,359,894,947.09/435,497.63
  6. Step 6: Final answer
    x = 179,931.85

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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.