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Finding the Fourth Proportional to 493,886.30, 740,752.22 and 156,882.62

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Solution

The fourth proportional to 493,886.30, 740,752.22 and 156,882.62 is: 235,299.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,886.30 : 740,752.22 = 156,882.62 : x
  2. Step 2: Convert to fraction form
    493,886.30/740,752.22 = 156,882.62/x
  3. Step 3: Cross multiply
    493,886.30x = 740,752.22 × 156,882.62
  4. Step 4: Simplify right side
    493,886.30x = 116,211,151,288.50
  5. Step 5: Solve for x
    x = 116,211,151,288.50/493,886.30
  6. Step 6: Final answer
    x = 235,299.40

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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.