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Finding the Fourth Proportional to 360,008.80, 538,630.80 and 235,592.80

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Solution

The fourth proportional to 360,008.80, 538,630.80 and 235,592.80 is: 352,484.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,008.80 : 538,630.80 = 235,592.80 : x
  2. Step 2: Convert to fraction form
    360,008.80/538,630.80 = 235,592.80/x
  3. Step 3: Cross multiply
    360,008.80x = 538,630.80 × 235,592.80
  4. Step 4: Simplify right side
    360,008.80x = 126,897,538,338.24
  5. Step 5: Solve for x
    x = 126,897,538,338.24/360,008.80
  6. Step 6: Final answer
    x = 352,484.55

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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.