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Finding the Fourth Proportional to 535,321.08, 802,727.46 and 310,750.38

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Solution

The fourth proportional to 535,321.08, 802,727.46 and 310,750.38 is: 465,978.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    535,321.08 : 802,727.46 = 310,750.38 : x
  2. Step 2: Convert to fraction form
    535,321.08/802,727.46 = 310,750.38/x
  3. Step 3: Cross multiply
    535,321.08x = 802,727.46 × 310,750.38
  4. Step 4: Simplify right side
    535,321.08x = 249,447,863,231.44
  5. Step 5: Solve for x
    x = 249,447,863,231.44/535,321.08
  6. Step 6: Final answer
    x = 465,978.03

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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.