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Finding the Fourth Proportional to 864,486.06, 1,295,829.96 and 359,322

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Solution

The fourth proportional to 864,486.06, 1,295,829.96 and 359,322 is: 538,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,486.06 : 1,295,829.96 = 359,322 : x
  2. Step 2: Convert to fraction form
    864,486.06/1,295,829.96 = 359,322/x
  3. Step 3: Cross multiply
    864,486.06x = 1,295,829.96 × 359,322
  4. Step 4: Simplify right side
    864,486.06x = 465,620,212,887.12
  5. Step 5: Solve for x
    x = 465,620,212,887.12/864,486.06
  6. Step 6: Final answer
    x = 538,609.28

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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.