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Finding the Fourth Proportional to 503,817.60, 695,263.68 and 277,458.24

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Solution

The fourth proportional to 503,817.60, 695,263.68 and 277,458.24 is: 382,889.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,817.60 : 695,263.68 = 277,458.24 : x
  2. Step 2: Convert to fraction form
    503,817.60/695,263.68 = 277,458.24/x
  3. Step 3: Cross multiply
    503,817.60x = 695,263.68 × 277,458.24
  4. Step 4: Simplify right side
    503,817.60x = 192,906,636,988.72
  5. Step 5: Solve for x
    x = 192,906,636,988.72/503,817.60
  6. Step 6: Final answer
    x = 382,889.83

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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.