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Finding the Fourth Proportional to 502,326.93, 693,199.50 and 272,879.04

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Solution

The fourth proportional to 502,326.93, 693,199.50 and 272,879.04 is: 376,566.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,326.93 : 693,199.50 = 272,879.04 : x
  2. Step 2: Convert to fraction form
    502,326.93/693,199.50 = 272,879.04/x
  3. Step 3: Cross multiply
    502,326.93x = 693,199.50 × 272,879.04
  4. Step 4: Simplify right side
    502,326.93x = 189,159,614,088.48
  5. Step 5: Solve for x
    x = 189,159,614,088.48/502,326.93
  6. Step 6: Final answer
    x = 376,566.74

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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.