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Finding the Fourth Proportional to 235,777.43, 353,666.15 and 58,287.80

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Solution

The fourth proportional to 235,777.43, 353,666.15 and 58,287.80 is: 87,431.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,777.43 : 353,666.15 = 58,287.80 : x
  2. Step 2: Convert to fraction form
    235,777.43/353,666.15 = 58,287.80/x
  3. Step 3: Cross multiply
    235,777.43x = 353,666.15 × 58,287.80
  4. Step 4: Simplify right side
    235,777.43x = 20,614,422,629.28
  5. Step 5: Solve for x
    x = 20,614,422,629.28/235,777.43
  6. Step 6: Final answer
    x = 87,431.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.