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Finding the Fourth Proportional to 303,009.40, 454,514.10 and 134,464.60

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Solution

The fourth proportional to 303,009.40, 454,514.10 and 134,464.60 is: 201,696.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,009.40 : 454,514.10 = 134,464.60 : x
  2. Step 2: Convert to fraction form
    303,009.40/454,514.10 = 134,464.60/x
  3. Step 3: Cross multiply
    303,009.40x = 454,514.10 × 134,464.60
  4. Step 4: Simplify right side
    303,009.40x = 61,116,056,650.86
  5. Step 5: Solve for x
    x = 61,116,056,650.86/303,009.40
  6. Step 6: Final answer
    x = 201,696.90

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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.