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Finding the Fourth Proportional to 493,842.71, 681,500.57 and 276,051.34

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Solution

The fourth proportional to 493,842.71, 681,500.57 and 276,051.34 is: 380,949.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,842.71 : 681,500.57 = 276,051.34 : x
  2. Step 2: Convert to fraction form
    493,842.71/681,500.57 = 276,051.34/x
  3. Step 3: Cross multiply
    493,842.71x = 681,500.57 × 276,051.34
  4. Step 4: Simplify right side
    493,842.71x = 188,129,144,545.64
  5. Step 5: Solve for x
    x = 188,129,144,545.64/493,842.71
  6. Step 6: Final answer
    x = 380,949.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.