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Finding the Fourth Proportional to 255,362.77, 383,039.83 and 65,822.77

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Solution

The fourth proportional to 255,362.77, 383,039.83 and 65,822.77 is: 98,733.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,362.77 : 383,039.83 = 65,822.77 : x
  2. Step 2: Convert to fraction form
    255,362.77/383,039.83 = 65,822.77/x
  3. Step 3: Cross multiply
    255,362.77x = 383,039.83 × 65,822.77
  4. Step 4: Simplify right side
    255,362.77x = 25,212,742,630.93
  5. Step 5: Solve for x
    x = 25,212,742,630.93/255,362.77
  6. Step 6: Final answer
    x = 98,733.04

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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.