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Finding the Fourth Proportional to 350,580.64, 525,870.96 and 320,167.84

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Solution

The fourth proportional to 350,580.64, 525,870.96 and 320,167.84 is: 480,251.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,580.64 : 525,870.96 = 320,167.84 : x
  2. Step 2: Convert to fraction form
    350,580.64/525,870.96 = 320,167.84/x
  3. Step 3: Cross multiply
    350,580.64x = 525,870.96 × 320,167.84
  4. Step 4: Simplify right side
    350,580.64x = 168,366,969,381.93
  5. Step 5: Solve for x
    x = 168,366,969,381.93/350,580.64
  6. Step 6: Final answer
    x = 480,251.76

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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.