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Finding the Fourth Proportional to 360,018.80, 538,645.80 and 235,602.80

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Solution

The fourth proportional to 360,018.80, 538,645.80 and 235,602.80 is: 352,499.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,018.80 : 538,645.80 = 235,602.80 : x
  2. Step 2: Convert to fraction form
    360,018.80/538,645.80 = 235,602.80/x
  3. Step 3: Cross multiply
    360,018.80x = 538,645.80 × 235,602.80
  4. Step 4: Simplify right side
    360,018.80x = 126,906,458,688.24
  5. Step 5: Solve for x
    x = 126,906,458,688.24/360,018.80
  6. Step 6: Final answer
    x = 352,499.53

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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.