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Finding the Fourth Proportional to 344,493.40, 516,706.69 and 104,609.38

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Solution

The fourth proportional to 344,493.40, 516,706.69 and 104,609.38 is: 156,903.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,493.40 : 516,706.69 = 104,609.38 : x
  2. Step 2: Convert to fraction form
    344,493.40/516,706.69 = 104,609.38/x
  3. Step 3: Cross multiply
    344,493.40x = 516,706.69 × 104,609.38
  4. Step 4: Simplify right side
    344,493.40x = 54,052,366,482.75
  5. Step 5: Solve for x
    x = 54,052,366,482.75/344,493.40
  6. Step 6: Final answer
    x = 156,903.92

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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.