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Finding the Fourth Proportional to 230,444.56, 317,979.51 and 133,644.28

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Solution

The fourth proportional to 230,444.56, 317,979.51 and 133,644.28 is: 184,409.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,444.56 : 317,979.51 = 133,644.28 : x
  2. Step 2: Convert to fraction form
    230,444.56/317,979.51 = 133,644.28/x
  3. Step 3: Cross multiply
    230,444.56x = 317,979.51 × 133,644.28
  4. Step 4: Simplify right side
    230,444.56x = 42,496,142,668.70
  5. Step 5: Solve for x
    x = 42,496,142,668.70/230,444.56
  6. Step 6: Final answer
    x = 184,409.40

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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.