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Finding the Fourth Proportional to 358,427.76, 493,562.61 and 350,471.67

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Solution

The fourth proportional to 358,427.76, 493,562.61 and 350,471.67 is: 482,606.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,427.76 : 493,562.61 = 350,471.67 : x
  2. Step 2: Convert to fraction form
    358,427.76/493,562.61 = 350,471.67/x
  3. Step 3: Cross multiply
    358,427.76x = 493,562.61 × 350,471.67
  4. Step 4: Simplify right side
    358,427.76x = 172,979,712,176.26
  5. Step 5: Solve for x
    x = 172,979,712,176.26/358,427.76
  6. Step 6: Final answer
    x = 482,606.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.