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Finding the Fourth Proportional to 491,220.56, 736,830.86 and 175,658.32

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Solution

The fourth proportional to 491,220.56, 736,830.86 and 175,658.32 is: 263,487.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,220.56 : 736,830.86 = 175,658.32 : x
  2. Step 2: Convert to fraction form
    491,220.56/736,830.86 = 175,658.32/x
  3. Step 3: Cross multiply
    491,220.56x = 736,830.86 × 175,658.32
  4. Step 4: Simplify right side
    491,220.56x = 129,430,470,991.76
  5. Step 5: Solve for x
    x = 129,430,470,991.76/491,220.56
  6. Step 6: Final answer
    x = 263,487.49

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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.