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Finding the Fourth Proportional to 323,319.89, 446,181.27 and 187,432.77

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Solution

The fourth proportional to 323,319.89, 446,181.27 and 187,432.77 is: 258,657.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,319.89 : 446,181.27 = 187,432.77 : x
  2. Step 2: Convert to fraction form
    323,319.89/446,181.27 = 187,432.77/x
  3. Step 3: Cross multiply
    323,319.89x = 446,181.27 × 187,432.77
  4. Step 4: Simplify right side
    323,319.89x = 83,628,991,358.22
  5. Step 5: Solve for x
    x = 83,628,991,358.22/323,319.89
  6. Step 6: Final answer
    x = 258,657.12

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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.