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Finding the Fourth Proportional to 494,880.74, 742,173.03 and 258,094.25

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Solution

The fourth proportional to 494,880.74, 742,173.03 and 258,094.25 is: 387,064.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    494,880.74 : 742,173.03 = 258,094.25 : x
  2. Step 2: Convert to fraction form
    494,880.74/742,173.03 = 258,094.25/x
  3. Step 3: Cross multiply
    494,880.74x = 742,173.03 × 258,094.25
  4. Step 4: Simplify right side
    494,880.74x = 191,550,591,548.08
  5. Step 5: Solve for x
    x = 191,550,591,548.08/494,880.74
  6. Step 6: Final answer
    x = 387,064.15

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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.