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Finding the Fourth Proportional to 469,007.28, 703,363.23 and 153,390.51

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Solution

The fourth proportional to 469,007.28, 703,363.23 and 153,390.51 is: 230,037.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,007.28 : 703,363.23 = 153,390.51 : x
  2. Step 2: Convert to fraction form
    469,007.28/703,363.23 = 153,390.51/x
  3. Step 3: Cross multiply
    469,007.28x = 703,363.23 × 153,390.51
  4. Step 4: Simplify right side
    469,007.28x = 107,889,244,564.95
  5. Step 5: Solve for x
    x = 107,889,244,564.95/469,007.28
  6. Step 6: Final answer
    x = 230,037.46

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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.