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Finding the Fourth Proportional to 623,880.02, 860,954.47 and 337,400.03

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Solution

The fourth proportional to 623,880.02, 860,954.47 and 337,400.03 is: 465,612.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,880.02 : 860,954.47 = 337,400.03 : x
  2. Step 2: Convert to fraction form
    623,880.02/860,954.47 = 337,400.03/x
  3. Step 3: Cross multiply
    623,880.02x = 860,954.47 × 337,400.03
  4. Step 4: Simplify right side
    623,880.02x = 290,486,065,315.52
  5. Step 5: Solve for x
    x = 290,486,065,315.52/623,880.02
  6. Step 6: Final answer
    x = 465,612.06

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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.