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Finding the Fourth Proportional to 452,877.38, 678,274.50 and 262,867.16

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Solution

The fourth proportional to 452,877.38, 678,274.50 and 262,867.16 is: 393,696.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,877.38 : 678,274.50 = 262,867.16 : x
  2. Step 2: Convert to fraction form
    452,877.38/678,274.50 = 262,867.16/x
  3. Step 3: Cross multiply
    452,877.38x = 678,274.50 × 262,867.16
  4. Step 4: Simplify right side
    452,877.38x = 178,296,091,515.42
  5. Step 5: Solve for x
    x = 178,296,091,515.42/452,877.38
  6. Step 6: Final answer
    x = 393,696.17

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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.