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Finding the Fourth Proportional to 595,708.80, 893,721.60 and 258,604.80

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Solution

The fourth proportional to 595,708.80, 893,721.60 and 258,604.80 is: 387,975.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,708.80 : 893,721.60 = 258,604.80 : x
  2. Step 2: Convert to fraction form
    595,708.80/893,721.60 = 258,604.80/x
  3. Step 3: Cross multiply
    595,708.80x = 893,721.60 × 258,604.80
  4. Step 4: Simplify right side
    595,708.80x = 231,120,695,623.68
  5. Step 5: Solve for x
    x = 231,120,695,623.68/595,708.80
  6. Step 6: Final answer
    x = 387,975.96

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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.