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Finding the Fourth Proportional to 411,577.08, 616,566.72 and 303,309.99

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Solution

The fourth proportional to 411,577.08, 616,566.72 and 303,309.99 is: 454,376.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,577.08 : 616,566.72 = 303,309.99 : x
  2. Step 2: Convert to fraction form
    411,577.08/616,566.72 = 303,309.99/x
  3. Step 3: Cross multiply
    411,577.08x = 616,566.72 × 303,309.99
  4. Step 4: Simplify right side
    411,577.08x = 187,010,845,677.53
  5. Step 5: Solve for x
    x = 187,010,845,677.53/411,577.08
  6. Step 6: Final answer
    x = 454,376.24

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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.