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Finding the Fourth Proportional to 503,910.64, 695,385.14 and 274,461.52

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Solution

The fourth proportional to 503,910.64, 695,385.14 and 274,461.52 is: 378,750.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,910.64 : 695,385.14 = 274,461.52 : x
  2. Step 2: Convert to fraction form
    503,910.64/695,385.14 = 274,461.52/x
  3. Step 3: Cross multiply
    503,910.64x = 695,385.14 × 274,461.52
  4. Step 4: Simplify right side
    503,910.64x = 190,856,462,509.81
  5. Step 5: Solve for x
    x = 190,856,462,509.81/503,910.64
  6. Step 6: Final answer
    x = 378,750.61

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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.