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Finding the Fourth Proportional to 491,213.56, 736,820.34 and 175,651.34

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Solution

The fourth proportional to 491,213.56, 736,820.34 and 175,651.34 is: 263,477.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,213.56 : 736,820.34 = 175,651.34 : x
  2. Step 2: Convert to fraction form
    491,213.56/736,820.34 = 175,651.34/x
  3. Step 3: Cross multiply
    491,213.56x = 736,820.34 × 175,651.34
  4. Step 4: Simplify right side
    491,213.56x = 129,423,480,060.26
  5. Step 5: Solve for x
    x = 129,423,480,060.26/491,213.56
  6. Step 6: Final answer
    x = 263,477.01

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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.