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Finding the Fourth Proportional to 503,772.60, 695,196.20 and 274,332.62

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Solution

The fourth proportional to 503,772.60, 695,196.20 and 274,332.62 is: 378,573.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,772.60 : 695,196.20 = 274,332.62 : x
  2. Step 2: Convert to fraction form
    503,772.60/695,196.20 = 274,332.62/x
  3. Step 3: Cross multiply
    503,772.60x = 695,196.20 × 274,332.62
  4. Step 4: Simplify right side
    503,772.60x = 190,714,994,960.04
  5. Step 5: Solve for x
    x = 190,714,994,960.04/503,772.60
  6. Step 6: Final answer
    x = 378,573.58

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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.