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Finding the Fourth Proportional to 527,238, 790,693.44 and 190,234.80

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Solution

The fourth proportional to 527,238, 790,693.44 and 190,234.80 is: 285,293.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,238 : 790,693.44 = 190,234.80 : x
  2. Step 2: Convert to fraction form
    527,238/790,693.44 = 190,234.80/x
  3. Step 3: Cross multiply
    527,238x = 790,693.44 × 190,234.80
  4. Step 4: Simplify right side
    527,238x = 150,417,408,419.71
  5. Step 5: Solve for x
    x = 150,417,408,419.71/527,238
  6. Step 6: Final answer
    x = 285,293.19

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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.