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Finding the Fourth Proportional to 704,672.70, 1,055,259.45 and 564,704.70

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Solution

The fourth proportional to 704,672.70, 1,055,259.45 and 564,704.70 is: 845,654.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    704,672.70 : 1,055,259.45 = 564,704.70 : x
  2. Step 2: Convert to fraction form
    704,672.70/1,055,259.45 = 564,704.70/x
  3. Step 3: Cross multiply
    704,672.70x = 1,055,259.45 × 564,704.70
  4. Step 4: Simplify right side
    704,672.70x = 595,909,971,134.42
  5. Step 5: Solve for x
    x = 595,909,971,134.42/704,672.70
  6. Step 6: Final answer
    x = 845,654.97

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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.