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Finding the Fourth Proportional to 608,605.95, 912,992 and 253,536.93

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Solution

The fourth proportional to 608,605.95, 912,992 and 253,536.93 is: 380,340.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    608,605.95 : 912,992 = 253,536.93 : x
  2. Step 2: Convert to fraction form
    608,605.95/912,992 = 253,536.93/x
  3. Step 3: Cross multiply
    608,605.95x = 912,992 × 253,536.93
  4. Step 4: Simplify right side
    608,605.95x = 231,477,188,794.56
  5. Step 5: Solve for x
    x = 231,477,188,794.56/608,605.95
  6. Step 6: Final answer
    x = 380,340.00

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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.