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Finding the Fourth Proportional to 323,543.82, 446,490.90 and 180,300.72

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Solution

The fourth proportional to 323,543.82, 446,490.90 and 180,300.72 is: 248,815.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,543.82 : 446,490.90 = 180,300.72 : x
  2. Step 2: Convert to fraction form
    323,543.82/446,490.90 = 180,300.72/x
  3. Step 3: Cross multiply
    323,543.82x = 446,490.90 × 180,300.72
  4. Step 4: Simplify right side
    323,543.82x = 80,502,630,743.45
  5. Step 5: Solve for x
    x = 80,502,630,743.45/323,543.82
  6. Step 6: Final answer
    x = 248,815.23

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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.