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Finding the Fourth Proportional to 372,411.54, 558,620.96 and 147,826.08

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Solution

The fourth proportional to 372,411.54, 558,620.96 and 147,826.08 is: 221,740.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,411.54 : 558,620.96 = 147,826.08 : x
  2. Step 2: Convert to fraction form
    372,411.54/558,620.96 = 147,826.08/x
  3. Step 3: Cross multiply
    372,411.54x = 558,620.96 × 147,826.08
  4. Step 4: Simplify right side
    372,411.54x = 82,578,745,983.51
  5. Step 5: Solve for x
    x = 82,578,745,983.51/372,411.54
  6. Step 6: Final answer
    x = 221,740.57

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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.