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Finding the Fourth Proportional to 527,238.36, 790,693.92 and 190,235.34

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Solution

The fourth proportional to 527,238.36, 790,693.92 and 190,235.34 is: 285,293.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,238.36 : 790,693.92 = 190,235.34 : x
  2. Step 2: Convert to fraction form
    527,238.36/790,693.92 = 190,235.34/x
  3. Step 3: Cross multiply
    527,238.36x = 790,693.92 × 190,235.34
  4. Step 4: Simplify right side
    527,238.36x = 150,417,926,707.13
  5. Step 5: Solve for x
    x = 150,417,926,707.13/527,238.36
  6. Step 6: Final answer
    x = 285,293.97

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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.