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Finding the Fourth Proportional to 414,069.76, 571,436.54 and 232,838.74

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Solution

The fourth proportional to 414,069.76, 571,436.54 and 232,838.74 is: 321,328.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,069.76 : 571,436.54 = 232,838.74 : x
  2. Step 2: Convert to fraction form
    414,069.76/571,436.54 = 232,838.74/x
  3. Step 3: Cross multiply
    414,069.76x = 571,436.54 × 232,838.74
  4. Step 4: Simplify right side
    414,069.76x = 133,052,563,963.56
  5. Step 5: Solve for x
    x = 133,052,563,963.56/414,069.76
  6. Step 6: Final answer
    x = 321,328.86

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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.