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Finding the Fourth Proportional to 503,359.68, 694,636.46 and 277,005.18

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Solution

The fourth proportional to 503,359.68, 694,636.46 and 277,005.18 is: 382,267.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,359.68 : 694,636.46 = 277,005.18 : x
  2. Step 2: Convert to fraction form
    503,359.68/694,636.46 = 277,005.18/x
  3. Step 3: Cross multiply
    503,359.68x = 694,636.46 × 277,005.18
  4. Step 4: Simplify right side
    503,359.68x = 192,417,897,636.86
  5. Step 5: Solve for x
    x = 192,417,897,636.86/503,359.68
  6. Step 6: Final answer
    x = 382,267.20

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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.