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Finding the Fourth Proportional to 255,969.44, 383,655.20 and 192,585.93

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Solution

The fourth proportional to 255,969.44, 383,655.20 and 192,585.93 is: 288,653.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,969.44 : 383,655.20 = 192,585.93 : x
  2. Step 2: Convert to fraction form
    255,969.44/383,655.20 = 192,585.93/x
  3. Step 3: Cross multiply
    255,969.44x = 383,655.20 × 192,585.93
  4. Step 4: Simplify right side
    255,969.44x = 73,886,593,491.34
  5. Step 5: Solve for x
    x = 73,886,593,491.34/255,969.44
  6. Step 6: Final answer
    x = 288,653.96

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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.