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Finding the Fourth Proportional to 595,700.80, 893,709.60 and 258,596.80

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Solution

The fourth proportional to 595,700.80, 893,709.60 and 258,596.80 is: 387,963.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,700.80 : 893,709.60 = 258,596.80 : x
  2. Step 2: Convert to fraction form
    595,700.80/893,709.60 = 258,596.80/x
  3. Step 3: Cross multiply
    595,700.80x = 893,709.60 × 258,596.80
  4. Step 4: Simplify right side
    595,700.80x = 231,110,442,689.28
  5. Step 5: Solve for x
    x = 231,110,442,689.28/595,700.80
  6. Step 6: Final answer
    x = 387,963.96

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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.