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Finding the Fourth Proportional to 230,980.38, 346,480.32 and 73,205.34

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Solution

The fourth proportional to 230,980.38, 346,480.32 and 73,205.34 is: 109,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,980.38 : 346,480.32 = 73,205.34 : x
  2. Step 2: Convert to fraction form
    230,980.38/346,480.32 = 73,205.34/x
  3. Step 3: Cross multiply
    230,980.38x = 346,480.32 × 73,205.34
  4. Step 4: Simplify right side
    230,980.38x = 25,364,209,628.91
  5. Step 5: Solve for x
    x = 25,364,209,628.91/230,980.38
  6. Step 6: Final answer
    x = 109,811.10

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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.