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Finding the Fourth Proportional to 404,445.16, 558,183.72 and 232,362.80

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Solution

The fourth proportional to 404,445.16, 558,183.72 and 232,362.80 is: 320,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    404,445.16 : 558,183.72 = 232,362.80 : x
  2. Step 2: Convert to fraction form
    404,445.16/558,183.72 = 232,362.80/x
  3. Step 3: Cross multiply
    404,445.16x = 558,183.72 × 232,362.80
  4. Step 4: Simplify right side
    404,445.16x = 129,701,132,093.62
  5. Step 5: Solve for x
    x = 129,701,132,093.62/404,445.16
  6. Step 6: Final answer
    x = 320,689.04

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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.