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Finding the Fourth Proportional to 435,178.40, 652,833.48 and 154,628.96

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Solution

The fourth proportional to 435,178.40, 652,833.48 and 154,628.96 is: 231,966.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,178.40 : 652,833.48 = 154,628.96 : x
  2. Step 2: Convert to fraction form
    435,178.40/652,833.48 = 154,628.96/x
  3. Step 3: Cross multiply
    435,178.40x = 652,833.48 × 154,628.96
  4. Step 4: Simplify right side
    435,178.40x = 100,946,962,065.58
  5. Step 5: Solve for x
    x = 100,946,962,065.58/435,178.40
  6. Step 6: Final answer
    x = 231,966.85

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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.