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Finding the Fourth Proportional to 255,758.55, 352,966.05 and 148,327.62

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Solution

The fourth proportional to 255,758.55, 352,966.05 and 148,327.62 is: 204,703.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,758.55 : 352,966.05 = 148,327.62 : x
  2. Step 2: Convert to fraction form
    255,758.55/352,966.05 = 148,327.62/x
  3. Step 3: Cross multiply
    255,758.55x = 352,966.05 × 148,327.62
  4. Step 4: Simplify right side
    255,758.55x = 52,354,614,137.30
  5. Step 5: Solve for x
    x = 52,354,614,137.30/255,758.55
  6. Step 6: Final answer
    x = 204,703.28

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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.