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Finding the Fourth Proportional to 303,407.34, 455,185.11 and 101,003.06

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Solution

The fourth proportional to 303,407.34, 455,185.11 and 101,003.06 is: 151,529.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,407.34 : 455,185.11 = 101,003.06 : x
  2. Step 2: Convert to fraction form
    303,407.34/455,185.11 = 101,003.06/x
  3. Step 3: Cross multiply
    303,407.34x = 455,185.11 × 101,003.06
  4. Step 4: Simplify right side
    303,407.34x = 45,975,086,700.51
  5. Step 5: Solve for x
    x = 45,975,086,700.51/303,407.34
  6. Step 6: Final answer
    x = 151,529.25

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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.