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Finding the Fourth Proportional to 623,668.32, 860,662.26 and 337,188.33

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Solution

The fourth proportional to 623,668.32, 860,662.26 and 337,188.33 is: 465,319.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,668.32 : 860,662.26 = 337,188.33 : x
  2. Step 2: Convert to fraction form
    623,668.32/860,662.26 = 337,188.33/x
  3. Step 3: Cross multiply
    623,668.32x = 860,662.26 × 337,188.33
  4. Step 4: Simplify right side
    623,668.32x = 290,205,270,143.43
  5. Step 5: Solve for x
    x = 290,205,270,143.43/623,668.32
  6. Step 6: Final answer
    x = 465,319.88

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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.