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Finding the Fourth Proportional to 447,495.60, 671,610.60 and 443,996.40

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Solution

The fourth proportional to 447,495.60, 671,610.60 and 443,996.40 is: 666,358.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,495.60 : 671,610.60 = 443,996.40 : x
  2. Step 2: Convert to fraction form
    447,495.60/671,610.60 = 443,996.40/x
  3. Step 3: Cross multiply
    447,495.60x = 671,610.60 × 443,996.40
  4. Step 4: Simplify right side
    447,495.60x = 298,192,688,601.84
  5. Step 5: Solve for x
    x = 298,192,688,601.84/447,495.60
  6. Step 6: Final answer
    x = 666,358.93

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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.