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Finding the Fourth Proportional to 527,846.67, 791,762.60 and 208,001.32

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Solution

The fourth proportional to 527,846.67, 791,762.60 and 208,001.32 is: 311,999.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,846.67 : 791,762.60 = 208,001.32 : x
  2. Step 2: Convert to fraction form
    527,846.67/791,762.60 = 208,001.32/x
  3. Step 3: Cross multiply
    527,846.67x = 791,762.60 × 208,001.32
  4. Step 4: Simplify right side
    527,846.67x = 164,687,661,447.82
  5. Step 5: Solve for x
    x = 164,687,661,447.82/527,846.67
  6. Step 6: Final answer
    x = 311,999.06

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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.