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Finding the Fourth Proportional to 344,407.65, 516,611.48 and 107,752.38

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Solution

The fourth proportional to 344,407.65, 516,611.48 and 107,752.38 is: 161,628.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,407.65 : 516,611.48 = 107,752.38 : x
  2. Step 2: Convert to fraction form
    344,407.65/516,611.48 = 107,752.38/x
  3. Step 3: Cross multiply
    344,407.65x = 516,611.48 × 107,752.38
  4. Step 4: Simplify right side
    344,407.65x = 55,666,115,966.56
  5. Step 5: Solve for x
    x = 55,666,115,966.56/344,407.65
  6. Step 6: Final answer
    x = 161,628.57

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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.