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Finding the Fourth Proportional to 360,020.80, 538,648.80 and 235,604.80

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Solution

The fourth proportional to 360,020.80, 538,648.80 and 235,604.80 is: 352,502.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,020.80 : 538,648.80 = 235,604.80 : x
  2. Step 2: Convert to fraction form
    360,020.80/538,648.80 = 235,604.80/x
  3. Step 3: Cross multiply
    360,020.80x = 538,648.80 × 235,604.80
  4. Step 4: Simplify right side
    360,020.80x = 126,908,242,794.24
  5. Step 5: Solve for x
    x = 126,908,242,794.24/360,020.80
  6. Step 6: Final answer
    x = 352,502.53

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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.