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Finding the Fourth Proportional to 357,268.32, 535,527.92 and 120,529.44

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Solution

The fourth proportional to 357,268.32, 535,527.92 and 120,529.44 is: 180,667.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,268.32 : 535,527.92 = 120,529.44 : x
  2. Step 2: Convert to fraction form
    357,268.32/535,527.92 = 120,529.44/x
  3. Step 3: Cross multiply
    357,268.32x = 535,527.92 × 120,529.44
  4. Step 4: Simplify right side
    357,268.32x = 64,546,880,301.96
  5. Step 5: Solve for x
    x = 64,546,880,301.96/357,268.32
  6. Step 6: Final answer
    x = 180,667.80

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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.