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Finding the Fourth Proportional to 230,780.40, 346,170.60 and 151,983.60

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Solution

The fourth proportional to 230,780.40, 346,170.60 and 151,983.60 is: 227,975.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,780.40 : 346,170.60 = 151,983.60 : x
  2. Step 2: Convert to fraction form
    230,780.40/346,170.60 = 151,983.60/x
  3. Step 3: Cross multiply
    230,780.40x = 346,170.60 × 151,983.60
  4. Step 4: Simplify right side
    230,780.40x = 52,612,254,002.16
  5. Step 5: Solve for x
    x = 52,612,254,002.16/230,780.40
  6. Step 6: Final answer
    x = 227,975.40

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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.