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Finding the Fourth Proportional to 373,185.09, 558,957.12 and 308,409.11

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Solution

The fourth proportional to 373,185.09, 558,957.12 and 308,409.11 is: 461,935.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,185.09 : 558,957.12 = 308,409.11 : x
  2. Step 2: Convert to fraction form
    373,185.09/558,957.12 = 308,409.11/x
  3. Step 3: Cross multiply
    373,185.09x = 558,957.12 × 308,409.11
  4. Step 4: Simplify right side
    373,185.09x = 172,387,470,075.78
  5. Step 5: Solve for x
    x = 172,387,470,075.78/373,185.09
  6. Step 6: Final answer
    x = 461,935.58

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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.