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Finding the Fourth Proportional to 372,457.28, 558,340.32 and 169,901.12

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Solution

The fourth proportional to 372,457.28, 558,340.32 and 169,901.12 is: 254,694.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,457.28 : 558,340.32 = 169,901.12 : x
  2. Step 2: Convert to fraction form
    372,457.28/558,340.32 = 169,901.12/x
  3. Step 3: Cross multiply
    372,457.28x = 558,340.32 × 169,901.12
  4. Step 4: Simplify right side
    372,457.28x = 94,862,645,709.16
  5. Step 5: Solve for x
    x = 94,862,645,709.16/372,457.28
  6. Step 6: Final answer
    x = 254,694.03

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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.