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Finding the Fourth Proportional to 517,238.94, 775,858.41 and 162,281.34

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Solution

The fourth proportional to 517,238.94, 775,858.41 and 162,281.34 is: 243,422.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,238.94 : 775,858.41 = 162,281.34 : x
  2. Step 2: Convert to fraction form
    517,238.94/775,858.41 = 162,281.34/x
  3. Step 3: Cross multiply
    517,238.94x = 775,858.41 × 162,281.34
  4. Step 4: Simplify right side
    517,238.94x = 125,907,342,425.07
  5. Step 5: Solve for x
    x = 125,907,342,425.07/517,238.94
  6. Step 6: Final answer
    x = 243,422.01

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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.