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Finding the Fourth Proportional to 493,462.28, 740,219.74 and 156,528.52

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Solution

The fourth proportional to 493,462.28, 740,219.74 and 156,528.52 is: 234,801.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,462.28 : 740,219.74 = 156,528.52 : x
  2. Step 2: Convert to fraction form
    493,462.28/740,219.74 = 156,528.52/x
  3. Step 3: Cross multiply
    493,462.28x = 740,219.74 × 156,528.52
  4. Step 4: Simplify right side
    493,462.28x = 115,865,500,376.99
  5. Step 5: Solve for x
    x = 115,865,500,376.99/493,462.28
  6. Step 6: Final answer
    x = 234,801.13

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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.