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Finding the Fourth Proportional to 504,228.56, 695,835.53 and 274,785.91

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Solution

The fourth proportional to 504,228.56, 695,835.53 and 274,785.91 is: 379,204.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,228.56 : 695,835.53 = 274,785.91 : x
  2. Step 2: Convert to fraction form
    504,228.56/695,835.53 = 274,785.91/x
  3. Step 3: Cross multiply
    504,228.56x = 695,835.53 × 274,785.91
  4. Step 4: Simplify right side
    504,228.56x = 191,205,798,268.76
  5. Step 5: Solve for x
    x = 191,205,798,268.76/504,228.56
  6. Step 6: Final answer
    x = 379,204.62

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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.