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Finding the Fourth Proportional to 527,178.68, 727,519.02 and 300,845.24

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Solution

The fourth proportional to 527,178.68, 727,519.02 and 300,845.24 is: 415,173.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,178.68 : 727,519.02 = 300,845.24 : x
  2. Step 2: Convert to fraction form
    527,178.68/727,519.02 = 300,845.24/x
  3. Step 3: Cross multiply
    527,178.68x = 727,519.02 × 300,845.24
  4. Step 4: Simplify right side
    527,178.68x = 218,870,634,176.47
  5. Step 5: Solve for x
    x = 218,870,634,176.47/527,178.68
  6. Step 6: Final answer
    x = 415,173.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.