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Finding the Fourth Proportional to 503,869.08, 695,339.33 and 277,514.58

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Solution

The fourth proportional to 503,869.08, 695,339.33 and 277,514.58 is: 382,970.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,869.08 : 695,339.33 = 277,514.58 : x
  2. Step 2: Convert to fraction form
    503,869.08/695,339.33 = 277,514.58/x
  3. Step 3: Cross multiply
    503,869.08x = 695,339.33 × 277,514.58
  4. Step 4: Simplify right side
    503,869.08x = 192,966,800,992.12
  5. Step 5: Solve for x
    x = 192,966,800,992.12/503,869.08
  6. Step 6: Final answer
    x = 382,970.12

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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.