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Finding the Fourth Proportional to 706,483.54, 974,604.36 and 419,800.60

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Solution

The fourth proportional to 706,483.54, 974,604.36 and 419,800.60 is: 579,121.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,483.54 : 974,604.36 = 419,800.60 : x
  2. Step 2: Convert to fraction form
    706,483.54/974,604.36 = 419,800.60/x
  3. Step 3: Cross multiply
    706,483.54x = 974,604.36 × 419,800.60
  4. Step 4: Simplify right side
    706,483.54x = 409,139,495,090.62
  5. Step 5: Solve for x
    x = 409,139,495,090.62/706,483.54
  6. Step 6: Final answer
    x = 579,121.06

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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.