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Finding the Fourth Proportional to 503,905.52, 695,389.50 and 277,551.02

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Solution

The fourth proportional to 503,905.52, 695,389.50 and 277,551.02 is: 383,020.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,905.52 : 695,389.50 = 277,551.02 : x
  2. Step 2: Convert to fraction form
    503,905.52/695,389.50 = 277,551.02/x
  3. Step 3: Cross multiply
    503,905.52x = 695,389.50 × 277,551.02
  4. Step 4: Simplify right side
    503,905.52x = 193,006,061,545.34
  5. Step 5: Solve for x
    x = 193,006,061,545.34/503,905.52
  6. Step 6: Final answer
    x = 383,020.34

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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.