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Finding the Fourth Proportional to 753,200, 1,129,798.96 and 192,234.48

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Solution

The fourth proportional to 753,200, 1,129,798.96 and 192,234.48 is: 288,351.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,200 : 1,129,798.96 = 192,234.48 : x
  2. Step 2: Convert to fraction form
    753,200/1,129,798.96 = 192,234.48/x
  3. Step 3: Cross multiply
    753,200x = 1,129,798.96 × 192,234.48
  4. Step 4: Simplify right side
    753,200x = 217,186,315,580.14
  5. Step 5: Solve for x
    x = 217,186,315,580.14/753,200
  6. Step 6: Final answer
    x = 288,351.45

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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.