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Finding the Fourth Proportional to 508,543.44, 762,518.52 and 153,450.96

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Solution

The fourth proportional to 508,543.44, 762,518.52 and 153,450.96 is: 230,086.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,543.44 : 762,518.52 = 153,450.96 : x
  2. Step 2: Convert to fraction form
    508,543.44/762,518.52 = 153,450.96/x
  3. Step 3: Cross multiply
    508,543.44x = 762,518.52 × 153,450.96
  4. Step 4: Simplify right side
    508,543.44x = 117,009,198,911.78
  5. Step 5: Solve for x
    x = 117,009,198,911.78/508,543.44
  6. Step 6: Final answer
    x = 230,086.93

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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.