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Finding the Fourth Proportional to 502,516.53, 693,477.15 and 273,073.77

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Solution

The fourth proportional to 502,516.53, 693,477.15 and 273,073.77 is: 376,844.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,516.53 : 693,477.15 = 273,073.77 : x
  2. Step 2: Convert to fraction form
    502,516.53/693,477.15 = 273,073.77/x
  3. Step 3: Cross multiply
    502,516.53x = 693,477.15 × 273,073.77
  4. Step 4: Simplify right side
    502,516.53x = 189,370,418,393.99
  5. Step 5: Solve for x
    x = 189,370,418,393.99/502,516.53
  6. Step 6: Final answer
    x = 376,844.16

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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.