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Finding the Fourth Proportional to 502,901.10, 693,993.65 and 273,456.45

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Solution

The fourth proportional to 502,901.10, 693,993.65 and 273,456.45 is: 377,364.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,901.10 : 693,993.65 = 273,456.45 : x
  2. Step 2: Convert to fraction form
    502,901.10/693,993.65 = 273,456.45/x
  3. Step 3: Cross multiply
    502,901.10x = 693,993.65 × 273,456.45
  4. Step 4: Simplify right side
    502,901.10x = 189,777,038,484.26
  5. Step 5: Solve for x
    x = 189,777,038,484.26/502,901.10
  6. Step 6: Final answer
    x = 377,364.53

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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.