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Finding the Fourth Proportional to 469,008.28, 703,364.73 and 153,391.51

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Solution

The fourth proportional to 469,008.28, 703,364.73 and 153,391.51 is: 230,038.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,008.28 : 703,364.73 = 153,391.51 : x
  2. Step 2: Convert to fraction form
    469,008.28/703,364.73 = 153,391.51/x
  3. Step 3: Cross multiply
    469,008.28x = 703,364.73 × 153,391.51
  4. Step 4: Simplify right side
    469,008.28x = 107,890,178,015.44
  5. Step 5: Solve for x
    x = 107,890,178,015.44/469,008.28
  6. Step 6: Final answer
    x = 230,038.96

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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.