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Finding the Fourth Proportional to 469,208.77, 702,676.60 and 324,709.68

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Solution

The fourth proportional to 469,208.77, 702,676.60 and 324,709.68 is: 486,277.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,208.77 : 702,676.60 = 324,709.68 : x
  2. Step 2: Convert to fraction form
    469,208.77/702,676.60 = 324,709.68/x
  3. Step 3: Cross multiply
    469,208.77x = 702,676.60 × 324,709.68
  4. Step 4: Simplify right side
    469,208.77x = 228,165,893,117.71
  5. Step 5: Solve for x
    x = 228,165,893,117.71/469,208.77
  6. Step 6: Final answer
    x = 486,277.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.