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Finding the Fourth Proportional to 609,842.85, 841,582.31 and 337,928.36

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Solution

The fourth proportional to 609,842.85, 841,582.31 and 337,928.36 is: 466,340.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,842.85 : 841,582.31 = 337,928.36 : x
  2. Step 2: Convert to fraction form
    609,842.85/841,582.31 = 337,928.36/x
  3. Step 3: Cross multiply
    609,842.85x = 841,582.31 × 337,928.36
  4. Step 4: Simplify right side
    609,842.85x = 284,394,523,925.76
  5. Step 5: Solve for x
    x = 284,394,523,925.76/609,842.85
  6. Step 6: Final answer
    x = 466,340.67

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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.