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Finding the Fourth Proportional to 503,904.61, 695,388.30 and 277,550.11

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Solution

The fourth proportional to 503,904.61, 695,388.30 and 277,550.11 is: 383,019.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,904.61 : 695,388.30 = 277,550.11 : x
  2. Step 2: Convert to fraction form
    503,904.61/695,388.30 = 277,550.11/x
  3. Step 3: Cross multiply
    503,904.61x = 695,388.30 × 277,550.11
  4. Step 4: Simplify right side
    503,904.61x = 193,005,099,157.71
  5. Step 5: Solve for x
    x = 193,005,099,157.71/503,904.61
  6. Step 6: Final answer
    x = 383,019.12

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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.