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Finding the Fourth Proportional to 527,210.92, 790,652.90 and 190,207.77

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Solution

The fourth proportional to 527,210.92, 790,652.90 and 190,207.77 is: 285,252.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,210.92 : 790,652.90 = 190,207.77 : x
  2. Step 2: Convert to fraction form
    527,210.92/790,652.90 = 190,207.77/x
  3. Step 3: Cross multiply
    527,210.92x = 790,652.90 × 190,207.77
  4. Step 4: Simplify right side
    527,210.92x = 150,388,321,393.69
  5. Step 5: Solve for x
    x = 150,388,321,393.69/527,210.92
  6. Step 6: Final answer
    x = 285,252.67

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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.