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Finding the Fourth Proportional to 503,869.56, 695,308.10 and 277,515.06

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Solution

The fourth proportional to 503,869.56, 695,308.10 and 277,515.06 is: 382,953.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,869.56 : 695,308.10 = 277,515.06 : x
  2. Step 2: Convert to fraction form
    503,869.56/695,308.10 = 277,515.06/x
  3. Step 3: Cross multiply
    503,869.56x = 695,308.10 × 277,515.06
  4. Step 4: Simplify right side
    503,869.56x = 192,958,467,702.41
  5. Step 5: Solve for x
    x = 192,958,467,702.41/503,869.56
  6. Step 6: Final answer
    x = 382,953.21

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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.