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Finding the Fourth Proportional to 604,146.81, 905,654.03 and 204,507.93

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Solution

The fourth proportional to 604,146.81, 905,654.03 and 204,507.93 is: 306,570.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,146.81 : 905,654.03 = 204,507.93 : x
  2. Step 2: Convert to fraction form
    604,146.81/905,654.03 = 204,507.93/x
  3. Step 3: Cross multiply
    604,146.81x = 905,654.03 × 204,507.93
  4. Step 4: Simplify right side
    604,146.81x = 185,213,429,948.92
  5. Step 5: Solve for x
    x = 185,213,429,948.92/604,146.81
  6. Step 6: Final answer
    x = 306,570.24

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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.