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Finding the Fourth Proportional to 323,291.55, 446,142.34 and 180,051.59

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Solution

The fourth proportional to 323,291.55, 446,142.34 and 180,051.59 is: 248,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,291.55 : 446,142.34 = 180,051.59 : x
  2. Step 2: Convert to fraction form
    323,291.55/446,142.34 = 180,051.59/x
  3. Step 3: Cross multiply
    323,291.55x = 446,142.34 × 180,051.59
  4. Step 4: Simplify right side
    323,291.55x = 80,328,636,783.06
  5. Step 5: Solve for x
    x = 80,328,636,783.06/323,291.55
  6. Step 6: Final answer
    x = 248,471.20

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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.