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Finding the Fourth Proportional to 706,453.02, 974,930.81 and 404,705.34

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Solution

The fourth proportional to 706,453.02, 974,930.81 and 404,705.34 is: 558,508.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,453.02 : 974,930.81 = 404,705.34 : x
  2. Step 2: Convert to fraction form
    706,453.02/974,930.81 = 404,705.34/x
  3. Step 3: Cross multiply
    706,453.02x = 974,930.81 × 404,705.34
  4. Step 4: Simplify right side
    706,453.02x = 394,559,702,914.00
  5. Step 5: Solve for x
    x = 394,559,702,914.00/706,453.02
  6. Step 6: Final answer
    x = 558,508.06

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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.