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Finding the Fourth Proportional to 595,820.20, 893,226.78 and 258,605.80

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Solution

The fourth proportional to 595,820.20, 893,226.78 and 258,605.80 is: 387,690.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    595,820.20 : 893,226.78 = 258,605.80 : x
  2. Step 2: Convert to fraction form
    595,820.20/893,226.78 = 258,605.80/x
  3. Step 3: Cross multiply
    595,820.20x = 893,226.78 × 258,605.80
  4. Step 4: Simplify right side
    595,820.20x = 230,993,626,023.32
  5. Step 5: Solve for x
    x = 230,993,626,023.32/595,820.20
  6. Step 6: Final answer
    x = 387,690.16

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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.