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Finding the Fourth Proportional to 504,654.86, 696,477.71 and 308,536.41

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Solution

The fourth proportional to 504,654.86, 696,477.71 and 308,536.41 is: 425,813.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,654.86 : 696,477.71 = 308,536.41 : x
  2. Step 2: Convert to fraction form
    504,654.86/696,477.71 = 308,536.41/x
  3. Step 3: Cross multiply
    504,654.86x = 696,477.71 × 308,536.41
  4. Step 4: Simplify right side
    504,654.86x = 214,888,733,059.76
  5. Step 5: Solve for x
    x = 214,888,733,059.76/504,654.86
  6. Step 6: Final answer
    x = 425,813.27

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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.