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Finding the Fourth Proportional to 493,323.66, 680,788.83 and 266,969.22

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Solution

The fourth proportional to 493,323.66, 680,788.83 and 266,969.22 is: 368,418.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,323.66 : 680,788.83 = 266,969.22 : x
  2. Step 2: Convert to fraction form
    493,323.66/680,788.83 = 266,969.22/x
  3. Step 3: Cross multiply
    493,323.66x = 680,788.83 × 266,969.22
  4. Step 4: Simplify right side
    493,323.66x = 181,749,662,929.81
  5. Step 5: Solve for x
    x = 181,749,662,929.81/493,323.66
  6. Step 6: Final answer
    x = 368,418.70

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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.