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Finding the Fourth Proportional to 679,504.84, 937,696.98 and 373,581.82

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Solution

The fourth proportional to 679,504.84, 937,696.98 and 373,581.82 is: 515,532.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,504.84 : 937,696.98 = 373,581.82 : x
  2. Step 2: Convert to fraction form
    679,504.84/937,696.98 = 373,581.82/x
  3. Step 3: Cross multiply
    679,504.84x = 937,696.98 × 373,581.82
  4. Step 4: Simplify right side
    679,504.84x = 350,306,544,396.90
  5. Step 5: Solve for x
    x = 350,306,544,396.90/679,504.84
  6. Step 6: Final answer
    x = 515,532.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.