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Finding the Fourth Proportional to 598,174.79, 825,014.48 and 383,334.84

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Solution

The fourth proportional to 598,174.79, 825,014.48 and 383,334.84 is: 528,702.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,174.79 : 825,014.48 = 383,334.84 : x
  2. Step 2: Convert to fraction form
    598,174.79/825,014.48 = 383,334.84/x
  3. Step 3: Cross multiply
    598,174.79x = 825,014.48 × 383,334.84
  4. Step 4: Simplify right side
    598,174.79x = 316,256,791,771.81
  5. Step 5: Solve for x
    x = 316,256,791,771.81/598,174.79
  6. Step 6: Final answer
    x = 528,702.98

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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.