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Finding the Fourth Proportional to 503,992.08, 695,510.28 and 277,641.36

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Solution

The fourth proportional to 503,992.08, 695,510.28 and 277,641.36 is: 383,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,992.08 : 695,510.28 = 277,641.36 : x
  2. Step 2: Convert to fraction form
    503,992.08/695,510.28 = 277,641.36/x
  3. Step 3: Cross multiply
    503,992.08x = 695,510.28 × 277,641.36
  4. Step 4: Simplify right side
    503,992.08x = 193,102,420,033.18
  5. Step 5: Solve for x
    x = 193,102,420,033.18/503,992.08
  6. Step 6: Final answer
    x = 383,145.74

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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.