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Finding the Fourth Proportional to 605,666.56, 908,663.68 and 231,701.76

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Solution

The fourth proportional to 605,666.56, 908,663.68 and 231,701.76 is: 347,615.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,666.56 : 908,663.68 = 231,701.76 : x
  2. Step 2: Convert to fraction form
    605,666.56/908,663.68 = 231,701.76/x
  3. Step 3: Cross multiply
    605,666.56x = 908,663.68 × 231,701.76
  4. Step 4: Simplify right side
    605,666.56x = 210,538,973,904.08
  5. Step 5: Solve for x
    x = 210,538,973,904.08/605,666.56
  6. Step 6: Final answer
    x = 347,615.32

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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.