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Finding the Fourth Proportional to 676,353.44, 932,918.56 and 434,941.45

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Solution

The fourth proportional to 676,353.44, 932,918.56 and 434,941.45 is: 599,930.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,353.44 : 932,918.56 = 434,941.45 : x
  2. Step 2: Convert to fraction form
    676,353.44/932,918.56 = 434,941.45/x
  3. Step 3: Cross multiply
    676,353.44x = 932,918.56 × 434,941.45
  4. Step 4: Simplify right side
    676,353.44x = 405,764,950,245.21
  5. Step 5: Solve for x
    x = 405,764,950,245.21/676,353.44
  6. Step 6: Final answer
    x = 599,930.34

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1.5x scale

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.