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Finding the Fourth Proportional to 623,517.90, 860,454.32 and 337,037.98

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Solution

The fourth proportional to 623,517.90, 860,454.32 and 337,037.98 is: 465,112.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,517.90 : 860,454.32 = 337,037.98 : x
  2. Step 2: Convert to fraction form
    623,517.90/860,454.32 = 337,037.98/x
  3. Step 3: Cross multiply
    623,517.90x = 860,454.32 × 337,037.98
  4. Step 4: Simplify right side
    623,517.90x = 290,005,785,895.07
  5. Step 5: Solve for x
    x = 290,005,785,895.07/623,517.90
  6. Step 6: Final answer
    x = 465,112.21

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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.