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Finding the Fourth Proportional to 503,898.47, 695,379.88 and 277,543.97

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Solution

The fourth proportional to 503,898.47, 695,379.88 and 277,543.97 is: 383,010.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,898.47 : 695,379.88 = 277,543.97 : x
  2. Step 2: Convert to fraction form
    503,898.47/695,379.88 = 277,543.97/x
  3. Step 3: Cross multiply
    503,898.47x = 695,379.88 × 277,543.97
  4. Step 4: Simplify right side
    503,898.47x = 192,998,492,553.32
  5. Step 5: Solve for x
    x = 192,998,492,553.32/503,898.47
  6. Step 6: Final answer
    x = 383,010.67

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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.