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Finding the Fourth Proportional to 493,357.72, 740,036.72 and 173,745.58

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Solution

The fourth proportional to 493,357.72, 740,036.72 and 173,745.58 is: 260,618.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,357.72 : 740,036.72 = 173,745.58 : x
  2. Step 2: Convert to fraction form
    493,357.72/740,036.72 = 173,745.58/x
  3. Step 3: Cross multiply
    493,357.72x = 740,036.72 × 173,745.58
  4. Step 4: Simplify right side
    493,357.72x = 128,578,109,137.70
  5. Step 5: Solve for x
    x = 128,578,109,137.70/493,357.72
  6. Step 6: Final answer
    x = 260,618.42

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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.