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Finding the Fourth Proportional to 414,679.78, 572,276.51 and 233,403.45

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Solution

The fourth proportional to 414,679.78, 572,276.51 and 233,403.45 is: 322,107.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,679.78 : 572,276.51 = 233,403.45 : x
  2. Step 2: Convert to fraction form
    414,679.78/572,276.51 = 233,403.45/x
  3. Step 3: Cross multiply
    414,679.78x = 572,276.51 × 233,403.45
  4. Step 4: Simplify right side
    414,679.78x = 133,571,311,787.96
  5. Step 5: Solve for x
    x = 133,571,311,787.96/414,679.78
  6. Step 6: Final answer
    x = 322,107.13

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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.