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Finding the Fourth Proportional to 336,543.58, 504,667.32 and 126,033.76

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Solution

The fourth proportional to 336,543.58, 504,667.32 and 126,033.76 is: 188,995.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,543.58 : 504,667.32 = 126,033.76 : x
  2. Step 2: Convert to fraction form
    336,543.58/504,667.32 = 126,033.76/x
  3. Step 3: Cross multiply
    336,543.58x = 504,667.32 × 126,033.76
  4. Step 4: Simplify right side
    336,543.58x = 63,605,119,888.72
  5. Step 5: Solve for x
    x = 63,605,119,888.72/336,543.58
  6. Step 6: Final answer
    x = 188,995.20

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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.