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Finding the Fourth Proportional to 256,260.30, 384,390.45 and 244,013.10

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Solution

The fourth proportional to 256,260.30, 384,390.45 and 244,013.10 is: 366,019.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,260.30 : 384,390.45 = 244,013.10 : x
  2. Step 2: Convert to fraction form
    256,260.30/384,390.45 = 244,013.10/x
  3. Step 3: Cross multiply
    256,260.30x = 384,390.45 × 244,013.10
  4. Step 4: Simplify right side
    256,260.30x = 93,796,305,314.90
  5. Step 5: Solve for x
    x = 93,796,305,314.90/256,260.30
  6. Step 6: Final answer
    x = 366,019.65

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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.