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Finding the Fourth Proportional to 303,179.64, 455,084.88 and 223,307.79

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Solution

The fourth proportional to 303,179.64, 455,084.88 and 223,307.79 is: 335,194.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,179.64 : 455,084.88 = 223,307.79 : x
  2. Step 2: Convert to fraction form
    303,179.64/455,084.88 = 223,307.79/x
  3. Step 3: Cross multiply
    303,179.64x = 455,084.88 × 223,307.79
  4. Step 4: Simplify right side
    303,179.64x = 101,623,995,423.25
  5. Step 5: Solve for x
    x = 101,623,995,423.25/303,179.64
  6. Step 6: Final answer
    x = 335,194.00

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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.