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Finding the Fourth Proportional to 521,084.36, 777,245.46 and 473,247.38

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Solution

The fourth proportional to 521,084.36, 777,245.46 and 473,247.38 is: 705,892.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,084.36 : 777,245.46 = 473,247.38 : x
  2. Step 2: Convert to fraction form
    521,084.36/777,245.46 = 473,247.38/x
  3. Step 3: Cross multiply
    521,084.36x = 777,245.46 × 473,247.38
  4. Step 4: Simplify right side
    521,084.36x = 367,829,375,195.66
  5. Step 5: Solve for x
    x = 367,829,375,195.66/521,084.36
  6. Step 6: Final answer
    x = 705,892.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.