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Finding the Fourth Proportional to 292,598.55, 438,897.80 and 82,236.48

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Solution

The fourth proportional to 292,598.55, 438,897.80 and 82,236.48 is: 123,354.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,598.55 : 438,897.80 = 82,236.48 : x
  2. Step 2: Convert to fraction form
    292,598.55/438,897.80 = 82,236.48/x
  3. Step 3: Cross multiply
    292,598.55x = 438,897.80 × 82,236.48
  4. Step 4: Simplify right side
    292,598.55x = 36,093,409,740.56
  5. Step 5: Solve for x
    x = 36,093,409,740.56/292,598.55
  6. Step 6: Final answer
    x = 123,354.71

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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.