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Finding the Fourth Proportional to 255,588.59, 352,712.27 and 148,220.90

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Solution

The fourth proportional to 255,588.59, 352,712.27 and 148,220.90 is: 204,544.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,588.59 : 352,712.27 = 148,220.90 : x
  2. Step 2: Convert to fraction form
    255,588.59/352,712.27 = 148,220.90/x
  3. Step 3: Cross multiply
    255,588.59x = 352,712.27 × 148,220.90
  4. Step 4: Simplify right side
    255,588.59x = 52,279,330,030.10
  5. Step 5: Solve for x
    x = 52,279,330,030.10/255,588.59
  6. Step 6: Final answer
    x = 204,544.85

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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.