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Finding the Fourth Proportional to 235,722.80, 353,584.20 and 58,228.40

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Solution

The fourth proportional to 235,722.80, 353,584.20 and 58,228.40 is: 87,342.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,722.80 : 353,584.20 = 58,228.40 : x
  2. Step 2: Convert to fraction form
    235,722.80/353,584.20 = 58,228.40/x
  3. Step 3: Cross multiply
    235,722.80x = 353,584.20 × 58,228.40
  4. Step 4: Simplify right side
    235,722.80x = 20,588,642,231.28
  5. Step 5: Solve for x
    x = 20,588,642,231.28/235,722.80
  6. Step 6: Final answer
    x = 87,342.60

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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.