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Finding the Fourth Proportional to 503,905.48, 695,389.50 and 277,550.98

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Solution

The fourth proportional to 503,905.48, 695,389.50 and 277,550.98 is: 383,020.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,905.48 : 695,389.50 = 277,550.98 : x
  2. Step 2: Convert to fraction form
    503,905.48/695,389.50 = 277,550.98/x
  3. Step 3: Cross multiply
    503,905.48x = 695,389.50 × 277,550.98
  4. Step 4: Simplify right side
    503,905.48x = 193,006,037,206.71
  5. Step 5: Solve for x
    x = 193,006,037,206.71/503,905.48
  6. Step 6: Final answer
    x = 383,020.32

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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.