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Finding the Fourth Proportional to 595,642.80, 893,622.60 and 258,538.80

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Solution

The fourth proportional to 595,642.80, 893,622.60 and 258,538.80 is: 387,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,642.80 : 893,622.60 = 258,538.80 : x
  2. Step 2: Convert to fraction form
    595,642.80/893,622.60 = 258,538.80/x
  3. Step 3: Cross multiply
    595,642.80x = 893,622.60 × 258,538.80
  4. Step 4: Simplify right side
    595,642.80x = 231,036,114,656.88
  5. Step 5: Solve for x
    x = 231,036,114,656.88/595,642.80
  6. Step 6: Final answer
    x = 387,876.95

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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.