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Finding the Fourth Proportional to 373,372.94, 559,635.54 and 328,307.07

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Solution

The fourth proportional to 373,372.94, 559,635.54 and 328,307.07 is: 492,087.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,372.94 : 559,635.54 = 328,307.07 : x
  2. Step 2: Convert to fraction form
    373,372.94/559,635.54 = 328,307.07/x
  3. Step 3: Cross multiply
    373,372.94x = 559,635.54 × 328,307.07
  4. Step 4: Simplify right side
    373,372.94x = 183,732,303,537.79
  5. Step 5: Solve for x
    x = 183,732,303,537.79/373,372.94
  6. Step 6: Final answer
    x = 492,087.90

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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.