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Finding the Fourth Proportional to 469,011.28, 703,369.22 and 153,394.52

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Solution

The fourth proportional to 469,011.28, 703,369.22 and 153,394.52 is: 230,043.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,011.28 : 703,369.22 = 153,394.52 : x
  2. Step 2: Convert to fraction form
    469,011.28/703,369.22 = 153,394.52/x
  3. Step 3: Cross multiply
    469,011.28x = 703,369.22 × 153,394.52
  4. Step 4: Simplify right side
    469,011.28x = 107,892,983,884.67
  5. Step 5: Solve for x
    x = 107,892,983,884.67/469,011.28
  6. Step 6: Final answer
    x = 230,043.47

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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.