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Finding the Fourth Proportional to 504,970.13, 696,228.48 and 323,383.52

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Solution

The fourth proportional to 504,970.13, 696,228.48 and 323,383.52 is: 445,865.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,970.13 : 696,228.48 = 323,383.52 : x
  2. Step 2: Convert to fraction form
    504,970.13/696,228.48 = 323,383.52/x
  3. Step 3: Cross multiply
    504,970.13x = 696,228.48 × 323,383.52
  4. Step 4: Simplify right side
    504,970.13x = 225,148,818,327.22
  5. Step 5: Solve for x
    x = 225,148,818,327.22/504,970.13
  6. Step 6: Final answer
    x = 445,865.61

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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.