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Finding the Fourth Proportional to 544,063.86, 750,016.81 and 380,211.65

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Solution

The fourth proportional to 544,063.86, 750,016.81 and 380,211.65 is: 524,139.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,063.86 : 750,016.81 = 380,211.65 : x
  2. Step 2: Convert to fraction form
    544,063.86/750,016.81 = 380,211.65/x
  3. Step 3: Cross multiply
    544,063.86x = 750,016.81 × 380,211.65
  4. Step 4: Simplify right side
    544,063.86x = 285,165,126,058.28
  5. Step 5: Solve for x
    x = 285,165,126,058.28/544,063.86
  6. Step 6: Final answer
    x = 524,139.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.