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Finding the Fourth Proportional to 303,881.80, 456,233.10 and 177,651.40

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Solution

The fourth proportional to 303,881.80, 456,233.10 and 177,651.40 is: 266,717.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,881.80 : 456,233.10 = 177,651.40 : x
  2. Step 2: Convert to fraction form
    303,881.80/456,233.10 = 177,651.40/x
  3. Step 3: Cross multiply
    303,881.80x = 456,233.10 × 177,651.40
  4. Step 4: Simplify right side
    303,881.80x = 81,050,448,941.34
  5. Step 5: Solve for x
    x = 81,050,448,941.34/303,881.80
  6. Step 6: Final answer
    x = 266,717.02

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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.