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Finding the Fourth Proportional to 493,365.20, 740,047.80 and 177,832.40

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Solution

The fourth proportional to 493,365.20, 740,047.80 and 177,832.40 is: 266,748.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,365.20 : 740,047.80 = 177,832.40 : x
  2. Step 2: Convert to fraction form
    493,365.20/740,047.80 = 177,832.40/x
  3. Step 3: Cross multiply
    493,365.20x = 740,047.80 × 177,832.40
  4. Step 4: Simplify right side
    493,365.20x = 131,604,476,388.72
  5. Step 5: Solve for x
    x = 131,604,476,388.72/493,365.20
  6. Step 6: Final answer
    x = 266,748.60

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Similar ratio
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1.5x scale

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.