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Finding the Fourth Proportional to 493,170.30, 740,047.05 and 177,586.20

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Solution

The fourth proportional to 493,170.30, 740,047.05 and 177,586.20 is: 266,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,170.30 : 740,047.05 = 177,586.20 : x
  2. Step 2: Convert to fraction form
    493,170.30/740,047.05 = 177,586.20/x
  3. Step 3: Cross multiply
    493,170.30x = 740,047.05 × 177,586.20
  4. Step 4: Simplify right side
    493,170.30x = 131,422,143,430.71
  5. Step 5: Solve for x
    x = 131,422,143,430.71/493,170.30
  6. Step 6: Final answer
    x = 266,484.30

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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.