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Finding the Fourth Proportional to 595,687.80, 893,690.10 and 258,583.80

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Solution

The fourth proportional to 595,687.80, 893,690.10 and 258,583.80 is: 387,944.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,687.80 : 893,690.10 = 258,583.80 : x
  2. Step 2: Convert to fraction form
    595,687.80/893,690.10 = 258,583.80/x
  3. Step 3: Cross multiply
    595,687.80x = 893,690.10 × 258,583.80
  4. Step 4: Simplify right side
    595,687.80x = 231,093,782,080.38
  5. Step 5: Solve for x
    x = 231,093,782,080.38/595,687.80
  6. Step 6: Final answer
    x = 387,944.46

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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.