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Finding the Fourth Proportional to 362,644.28, 543,966.32 and 113,326.28

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Solution

The fourth proportional to 362,644.28, 543,966.32 and 113,326.28 is: 169,989.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,644.28 : 543,966.32 = 113,326.28 : x
  2. Step 2: Convert to fraction form
    362,644.28/543,966.32 = 113,326.28/x
  3. Step 3: Cross multiply
    362,644.28x = 543,966.32 × 113,326.28
  4. Step 4: Simplify right side
    362,644.28x = 61,645,679,490.89
  5. Step 5: Solve for x
    x = 61,645,679,490.89/362,644.28
  6. Step 6: Final answer
    x = 169,989.39

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Double scale
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Similar ratio
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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.