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Finding the Fourth Proportional to 691,602.59, 954,389.03 and 381,504.42

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Solution

The fourth proportional to 691,602.59, 954,389.03 and 381,504.42 is: 526,463.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,602.59 : 954,389.03 = 381,504.42 : x
  2. Step 2: Convert to fraction form
    691,602.59/954,389.03 = 381,504.42/x
  3. Step 3: Cross multiply
    691,602.59x = 954,389.03 × 381,504.42
  4. Step 4: Simplify right side
    691,602.59x = 364,103,631,436.99
  5. Step 5: Solve for x
    x = 364,103,631,436.99/691,602.59
  6. Step 6: Final answer
    x = 526,463.66

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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.