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Finding the Fourth Proportional to 255,724.13, 353,050.51 and 227,351.32

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Solution

The fourth proportional to 255,724.13, 353,050.51 and 227,351.32 is: 313,879.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,724.13 : 353,050.51 = 227,351.32 : x
  2. Step 2: Convert to fraction form
    255,724.13/353,050.51 = 227,351.32/x
  3. Step 3: Cross multiply
    255,724.13x = 353,050.51 × 227,351.32
  4. Step 4: Simplify right side
    255,724.13x = 80,266,499,475.17
  5. Step 5: Solve for x
    x = 80,266,499,475.17/255,724.13
  6. Step 6: Final answer
    x = 313,879.26

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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.