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Finding the Fourth Proportional to 500,663.47, 751,041.37 and 163,705.85

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Solution

The fourth proportional to 500,663.47, 751,041.37 and 163,705.85 is: 245,573.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,663.47 : 751,041.37 = 163,705.85 : x
  2. Step 2: Convert to fraction form
    500,663.47/751,041.37 = 163,705.85/x
  3. Step 3: Cross multiply
    500,663.47x = 751,041.37 × 163,705.85
  4. Step 4: Simplify right side
    500,663.47x = 122,949,865,861.02
  5. Step 5: Solve for x
    x = 122,949,865,861.02/500,663.47
  6. Step 6: Final answer
    x = 245,573.87

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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.