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Finding the Fourth Proportional to 320,273.01, 480,580.83 and 207,926.82

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Solution

The fourth proportional to 320,273.01, 480,580.83 and 207,926.82 is: 312,001.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,273.01 : 480,580.83 = 207,926.82 : x
  2. Step 2: Convert to fraction form
    320,273.01/480,580.83 = 207,926.82/x
  3. Step 3: Cross multiply
    320,273.01x = 480,580.83 × 207,926.82
  4. Step 4: Simplify right side
    320,273.01x = 99,925,643,734.86
  5. Step 5: Solve for x
    x = 99,925,643,734.86/320,273.01
  6. Step 6: Final answer
    x = 312,001.45

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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.