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Finding the Fourth Proportional to 303,005.60, 454,119.60 and 144,893.60

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Solution

The fourth proportional to 303,005.60, 454,119.60 and 144,893.60 is: 217,154.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,005.60 : 454,119.60 = 144,893.60 : x
  2. Step 2: Convert to fraction form
    303,005.60/454,119.60 = 144,893.60/x
  3. Step 3: Cross multiply
    303,005.60x = 454,119.60 × 144,893.60
  4. Step 4: Simplify right side
    303,005.60x = 65,799,023,674.56
  5. Step 5: Solve for x
    x = 65,799,023,674.56/303,005.60
  6. Step 6: Final answer
    x = 217,154.48

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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.