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Finding the Fourth Proportional to 255,655.84, 352,806.24 and 148,289.44

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Solution

The fourth proportional to 255,655.84, 352,806.24 and 148,289.44 is: 204,640.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,655.84 : 352,806.24 = 148,289.44 : x
  2. Step 2: Convert to fraction form
    255,655.84/352,806.24 = 148,289.44/x
  3. Step 3: Cross multiply
    255,655.84x = 352,806.24 × 148,289.44
  4. Step 4: Simplify right side
    255,655.84x = 52,317,439,758.11
  5. Step 5: Solve for x
    x = 52,317,439,758.11/255,655.84
  6. Step 6: Final answer
    x = 204,640.11

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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.