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Finding the Fourth Proportional to 598,165.54, 825,001.74 and 383,325.60

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Solution

The fourth proportional to 598,165.54, 825,001.74 and 383,325.60 is: 528,690.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,165.54 : 825,001.74 = 383,325.60 : x
  2. Step 2: Convert to fraction form
    598,165.54/825,001.74 = 383,325.60/x
  3. Step 3: Cross multiply
    598,165.54x = 825,001.74 × 383,325.60
  4. Step 4: Simplify right side
    598,165.54x = 316,244,286,986.54
  5. Step 5: Solve for x
    x = 316,244,286,986.54/598,165.54
  6. Step 6: Final answer
    x = 528,690.25

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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.