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Finding the Fourth Proportional to 503,872.56, 695,312.22 and 277,518.06

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Solution

The fourth proportional to 503,872.56, 695,312.22 and 277,518.06 is: 382,957.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,872.56 : 695,312.22 = 277,518.06 : x
  2. Step 2: Convert to fraction form
    503,872.56/695,312.22 = 277,518.06/x
  3. Step 3: Cross multiply
    503,872.56x = 695,312.22 × 277,518.06
  4. Step 4: Simplify right side
    503,872.56x = 192,961,698,388.69
  5. Step 5: Solve for x
    x = 192,961,698,388.69/503,872.56
  6. Step 6: Final answer
    x = 382,957.35

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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.